Fitech Timing Curve






I've done timing control on two Fitech units, I highly recommend doing it. Some Magnetti Marelli bikes responded by having a -60 put in this column while most Delphi bikes respond by inputting a +25. As example, the BSFC contour plot above contains also the maximum engine torque curve and the constant engine power curves. FiTech's Ultimate LS kit comes with a knock sensor control and is custom cam friendly. I do NOT run FiTech controlled timing curve. even at 1500 RPM, the dial back light could zero it out. On the Ignitor ® page, we talked about a dyno test performed on a mild 350 Chev with moderate engine modifications and a Mallory Twin-Point Distributor that recorded a benchmark dyno run of 195hp at the wheels (ATW). The Ultimate LS system will allow for both EV, EV6, and truck injectors with interchangeable injector harnesses. FITECH 30003 GO STREET EFI CAST FINISH 3. Uploaded files: You need to login to have access to uploads. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. 7L and the 7. FiTech EFI w/Tanks Inc. it Fitech wiring. I am now using my MSD 6AL to control timing and plan on trying to get the Fitech timing working again or switch over to a MSD 6530 digital 6AL that I already have. The VE curve is assumed to follow the torque curve (which is not quite right, but close enough for a first approximation). i have acuired the limiter plate and springs from 4secondsflat for the distributer and will be doing some curve tuning soon. So how well does the Ignitor ® II work?. Now as for timing curves and such, bone stock, I found that I could crank in a lot of advance, fast. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. This provides air/fuel ratios that are reasonably smooth and respond predictably to changes. I set my initial timing between zero and 600 rpm to 20 degrees retard in the software (to be at 16 degrees). This one is 8 degrees advanced, indicated by -8. I’m setting the spark map in my FiTech system to replicate a mechanical advance curve and letting the vacuum advance do what it always has, account for the load changes. Flat Tappet Cam Tech Bulletin. This is a pretty fresh restoration of ours. View frequently asked questions by category to find topics relevant to your products. I'm not real familiar with Edelbrock's systems as I try to avoid systems that require chips to be programmed for them. Most diesels in Japan and Canada are 24V and therefore meet NATO military specs. The 355 with the brodix heads and the cam and the port matched intake manifold came out right. Your results may vary depending upon compression ratio and the sophistication of the ignition system. AutoMeter AFR dummy gauge ($300). We reach almost all horsepower endeavors. Whether it be the square body, the longer wheelbase, or any of the exciting trim packages available, Chevy owners had plenty of reasons to be excited about. reset ls1 ecu everything is ECU Connector Kit for GM Gen III LS Series PCMs 1997 2002 Parts to build your own ECU connector assemblies 75. I was messing around today and checked my timing curve It seems wayyyy too advanced. This 2054cc engine is going into a Manx Buggy and should be a blast to drive. I'm currently rebuilding 396 and don't plan anything too wild, just something to cruise around in. When the MAP senses an increase in manifold vacuum at high rpm, the ECM electronically advances the spark. Then let the timing map be adjusted to mimic an OEM curve, or perhaps a little quicker. This FiTech EFI is perfect for an everyday driver, a weekend cruiser, or bracket racer. "Every combo likes a different amount of timing. FiTech Fuel Injection has been supplying automotive products, specifically fuel injection products, since 2012. What is meant by a timing advance curve? The advance springs and weights are designed to advance the timing as the engine speed increases. GMC MOTORHOMES INTERNATIONAL. The theory I believe is that where the engine makes maximum vacuum pressure should be the ideal timing. The FI performed great. "In reality, they would probably be better off using a header with smaller primary tubes with a broader torque curve". MSD designed LS controllers with matching factory connectors for a direct installation, and few connections are needed: cam, crank, and MAP sensors and coils. I can get the numbers if it becomes an question later, but my current issue is with starting. This is all per shop manual. Im curious (since this is. With the dual curves you can run you can easily set the timing at 34 to 36. Read the number on the timing plate adjacent to the timing mark on the balancer. I run 44* TOTAL timing (in by 2800 or so), 33* INITIAL, with a custom made 11* mechanical advance limiting bushing. Map a complete timing curve for every gear. When I removed all three timing covers I found the timing belt on the cambelt drive sprocket to be one cog out, retarding the valve and ignition timing by 14. So under the same conditions as above, the timing needs to be increased to: 55°-17° = 38° BTDC! Timing advance is low at low engine speeds, because the piston is moving slowly, and the fuel has time to burn near TDC. I programmed the 6AL2 knowing that the timing curve is actually retarded, not advanced. 77025L if you want to you can transfer any cells from ignition that are from a stock ls3 to the 0411. I've done timing control on two Fitech units, I highly recommend doing it. in/public/wi90/8tdjjmyzdn. This system makes tuning your Supercharged engine easy! Bolt on 2 of these tough looking throttle bodies and drive your car as the system dials itself into the perfect calibration for all of your driving and. Fitech ultimate ls fault codes. The theory I believe is that where the engine makes maximum vacuum pressure should be the ideal timing. Enjoy! Ken. The timing curve is whatever their base tune was. By changing the gear we can obtain the same power but at different engine speed and torque. 60 That made a world of improvement since I can now set timing and advance curves on the fly. New option B: FiTech Go EFI 8, PowerAdder ($1500). I’m setting the spark map in my FiTech system to replicate a mechanical advance curve and letting the vacuum advance do what it always has, account for the load changes. Using a laptop computer for adjustments may be intimidating to some, whereas simply plugging in an MSD module or using the handheld controller may be a bit easier. We usually install a 26° mechanical curve that starts about 100 rpm higher than the engines idle rpm and have all 26° in by 2,800 rpm, this is a good general purpose timing curve when used with 12° initial timing set at engine idle. Rotate the distributor So, for stuff like the old FiTech EFI, now. Disconnect the vacuum advance hose on the distributor and plug the hose with a screw. Usually it's at 0 degrees to negative 5 degrees. 0 Short block. The Right Curve, stop dinkin' with what I write. The best tuning tools are a good set of ears and eyes, followed closely by data in the form of oxygen sensors and brake specific fuel consumption (BSFC) numbers. By locking the distributor in place, different timing curves can be selected via the handheld touch screen, or this function can be toggled off and ignition controlled separately through traditional methods. 55 rear end Fitech GoEfi -> controlling ignition Cam: J. These systems don't do anything with the transmission control, so you need to run a stand alone transmission controller for the 4R70W. Find MSD Digital E-Curve Pro Billet Distributors 8504 and get Free Shipping on Orders Over $99 at Summit Racing! MSD Digital E-Curve distributors will drop right into your engine and fire up with three simple connections! Not only are there no external controls or boxes to mount and connect, but you can set a timing curve with the twist of a rotary dial! That's right, no more springs or stop. Not with our RSR ECU because it does not control ignition timing. The Ul-timate LS system will allow for both EV1, EV6, and truck injectors. The ignition timing set by the factory requires the use of a high-quality lead free regular gasoline with an octane specification of (R+M/2). No mater how what ignition system you use, if the ignition spark timing is not correct for the engine needs, the engine will not produce all the potential power built into it. I'm going efi. Our folks have several options from basic to completely trick. When the controller and the damper are reading the same timing at idle, you lock the distributor down and the computer does the rest. Automatic magnetic pickup compensation for crank triggers or distributor pick- ups. By simply swapping out the black 18* MSD bushing (or other MSD stock bushings provided) and inserting one of our custom machined bushings it will allow you to set you idle timing at 22* (14* Bushing) or 26* (10* bushing) and not allow the timing to exceed the desired 36*. @3000 rpm and 128 ft-lbs. Handheld Controller Feature Definitions – FiTech Fuel Injection read thru the Spark Map page and hopefully that will help. Limited timing/fuel control. Start out with your total timing the same as on gas then adjust for best mph. Sign up is fast and easy. Give us a call at our toll-free Factory Tech Line for any inquiries. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. FiTech 500HP LS1/LS2/LS6 92mm Ultimate EFI Kit w/ Transmission Control 70002. I set my initial timing between zero and 600 rpm to 20 degrees retard in the software (to be at 16 degrees). s @4700 rpm. The FiTech 70003 Ultimate LS EFI kit is the ultimate LS ECU for DIY enthusiasts who want full control over their engine. The following specifications are general guidelines offered to aide in building an engine for street use. Generally speaking one jet size represents a 4. From this I know that from 4200 - 5000 rpm I need to adjust my fuel, or timing to get rid of the knock. The reason Vortec heads require less timing advance is because of their greater efficiency. So I'm curious if I should run timing control or not. Start the engine. The coilovers and the composite spring and the ride height on the wheels and tires selected. i have acuired the limiter plate and springs from 4secondsflat for the distributer and will be doing some curve tuning soon. Most carburetor tuning includes setting idle, base timing and ignition curve optimization, jetting and accel enrichment tuning. Our website uses cookies to improve your experience. Electronic Spark Timing (EST)/Electronic Spark Control (ESC) Modern vehicles have a distributor that can respond to ECM control such that spark timing may be adjusted based upon the output of the MAP. #ad And under the hood with the engine running we can see all the status LED's on the FAST ECU. I run 44* TOTAL timing (in by 2800 or so), 33* INITIAL, with a custom made 11* mechanical advance limiting bushing. Forget the crummy wedge style brakes on the '79 cars. Then let the timing map be adjusted to mimic an OEM curve, or perhaps a little quicker. Once base timing is set and confirmed, you can set idle timing and then timing at 1100, 300 and 6000 at high vacuum 45 KPA, at WOT and under boost if you have it. The problem going too much in one direction mechanically then trying to adjust it electronically would be the arcing issue where you could ignite the wrong cylinder or you are just too far away. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. Minimize flow restrictions between the fuel tank and the carburetors. 951-340-2624 x103 www. 03-31-2010, 08:07 PM. The FiTech wideband O2 & Annular Swirl Wet Flow technology give the most complete atomization available, bringing more power than ever. achieve the correct timing curve. Hello, I have a 408W and I am looking on some advice to find the best advance curve/timing for it. Texas Speed & Performance is your one-stop shop for all LS and Gen 5 LT1 & LT4 performance parts and engines! We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house!. that means. Timing control provided by ECU. I gave it a little gas while. com Please visit the GALLERY page for pictures of a. This provides air/fuel ratios that are reasonably smooth and respond predictably to changes. This datalog shows 3 runs averaged. This info was taken from Crane Cams and is valid information for fellows who know nothing at all about choosing a cam, and that includes most of the fellows who come on this forum asking questions. These PCM's have the ability to determine a cylinder misfire and will even tell you which cylinder midfired. 5" rear disc brakes; 24" Griffin Radiator w/twin 11" 2800 CFM fans; Classic Auto Air AC; Truck-Lite 7" LED headlights. It is messy and has low timing advance at low rpm with a mountain chopped out of it at low rpm. The example in their manual shows a straight-line extrapolation in between. The coilovers and the composite spring and the ride height on the wheels and tires selected. Not with our RSR ECU because it does not control ignition timing. Register for an Abercrombie & Fitch account & enjoy the benefits of faster check out, order history and save wish list. I have decided to not use the function. This is a pretty fresh restoration of ours. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. This system makes tuning your Supercharged engine easy! Bolt on 2 of these tough looking throttle bodies and drive your car as the system dials itself into the perfect calibration for all of your driving and. I was told specifically by FiTech's owner, Ken Farrell, that if your timing/distributor/advance curve was working good, then more often than not, you'll have lackluster results in trying to be smarter than your distributor is, and "making" a new curve. So, for stuff like the old FiTech EFI, now the revised units called Sniper, Holley/MSD distributors are only a pittance of cost, $445. Do not worry about initial timing, as it will be determined by the total timing. Uploaded files: You need to login to have access to uploads. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. 600hp @6200 rpm: $10,150. I liked the 685 box since it had starter retard. By locking the distributor in place, different timing curves can be selected via the handheld touch screen, or this function can be toggled off and ignition controlled separately through traditional methods. I do it by setting total timing. So how well does the Ignitor ® II work?. One of the drawbacks of stock CCC is the somewhat conservative timing advance curves, however, aggressive timing advance is often used as a bandaid for inefficient engine setups. As example, the BSFC contour plot above contains also the maximum engine torque curve and the constant engine power curves. For 96 a combination crankshaft position sensor and cam shaft position sensor perform the timing functions on all the 4. Timing control provided by ECU. FiTech Fuel Injection 30062 - FiTech Go EFI 2x4 Dual-Quad 625 HP Self-Tuning Fuel Injection Systems Digital, Programmable Timing Curve, Rev Limiters, Red, Single. For example, 100 kW wheel power, can be obtained in 2 nd gear, 4 th gear and 5 th gear. Quality OEM product right there. ( I said cause and not problem, because the popping is not at all damaging to the bike). Rotate the distributor so they could have a distributor manufacturing facility for their EFI and other setups. C3 Corvettes 1968-1982 350 MSD Digital E-Curve Distributor. The original mechanical fuel pump mounted on the timing cover, as well as all of the old fuel hard lines, were removed from the Mustang to clean things up. balanced on our cwt balancer to below 2 grams. Compatible with power adder technologies – Wet flow NOx, superchargers, and turbochargers. Nothing wrong with them, but the beauty of EFI, at least for me, is the adjustability especially when engines are modded (say change the ignition timing curve). Handheld Controller Feature Definitions – FiTech Fuel Injection read thru the Spark Map page and hopefully that will help. We are leading providers of fuel systems and Ultra Ram SBC EFI. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. Our complete LQ9 408CI 575HP stroker crate engine package dyno tested ready for installation. The beauty of this is that you can theoretically use that table to nail down an absolutely amazing timing curve that could never be achieved with weights and vacuum. The following specifications are general guidelines offered to aide in building an engine for street use. Limited timing/fuel control. Minimize flow restrictions between the fuel tank and the carburetors. The timing curve is whatever their base tune was. This build features the Cast Iron LQ9 6 bolt block. Cooler air/higher octane fuel let you set a more agressive timing curve. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. 8:1 compression ratio AFR 195 heads Victor Jr intake 1 3/4" headers 5-speed 3. The decay adjustments shape that curve. Plan is to put her in gear, watch the map gauge on the fitech, and adjust my timing until I maximize the map sensor. Give us a call at our toll-free Factory Tech Line for any inquiries. Set For Timing Better control of your ignition’s timing is another benefit of EFI. I don't have any current tables on-line. This is the best way to tune on h. sicurapoint. I logged boost vs rpm, and timing vs. 229/244 cam. Write and store multiple tunes that can be switched even while running. it's on 28 degrees of timing. long tubes. FiTech Go EFi 2x4 1200HP Power Adder System 30064 Black Finish Description This Kit is for the guys who have 671 and 871 Roots Superchargers or make up to 1200 HP naturally aspirated on their Dual Quad setup. I programmed the 6AL2 knowing that the timing curve is actually retarded, not advanced. FiTech Fuel Injection has been supplying automotive products, specifically fuel injection products, since 2012. Car is in drive with helper foot on brake and idle is set to factory test procedure (about 600 rpm for a 1970), and then set idle to factory spec. #ad The computer in the fitech unit has a base timing setting, that should match your base timing so if your base timing is 12. If it is better you'll have to determine how much total timing you're getting in your particular engine with a given amount of initial because sometimes the curve in the distributor can be too long. FiTech Go Fuel Fuel-Pressure Regulators. I've revised the curve on my computer, just haven't had a chance to upload to the ignition yet. When the controller and the damper are reading the same timing at idle, you lock the distributor down and the computer does the rest. The paint and bodywork came out right. With EFI, it is possible to use a more aggressive timing curve than you might be able to with a carburetor. The FiTech 70003 Ultimate LS EFI kit is the ultimate LS ECU for DIY enthusiasts who want full control over their engine. Later, we add some timing in the idle and drivability areas to improve the burn of the mixture, improve fuel economy, lower exhaust temperatures, etc. Charts, Graphs, & Specs. (pat)>> yeah short on timing. You can see that Boost is consistent through 3 runs. that uses existing factory coil packs and sub harnesses. Here are the specs: 408W roller block 9. He then made another pull on the dyno and my car made 12 more rwhp than it did with the MSD. (34* for Mopars and 35* for Fords). 0 degrees you set this setting to 12. s @4700 rpm. I don't have any current tables on-line. About 500 miles round trip. I have the timing advancing at a lower rpm than the idle set point on the FiTech. In fact, the first of the mechanical variety appeared on French aircraft in the early 1900s, but most of us are more familiar with the early systems pioneered for race cars by Ed Winfield and Stu Hilborn. DIAM: STD. Update , pulled the Fitech 1200 dual quad power adder off and going back to the 1050 dominator , customer service rates zero with me , My thoughts are the system has great potential but it's a crap shoot if you don't get one that works like most made in China stuff you are SOL ,. Once back ON, go to ADVANCED SETUP, select IGNITION TIMING, and then select LOCK TIMING. 600hp @6200 rpm: $10,150. But I’m reading some folks owning those old vehicles now, they are reverting to the pre-emissions mid-1960’s configuration. 60 That made a world of improvement since I can now set timing and advance curves on the fly. Automatic magnetic pickup compensation for crank triggers or distributor pick- ups. Update , pulled the Fitech 1200 dual quad power adder off and going back to the 1050 dominator , customer service rates zero with me , My thoughts are the system has great potential but it's a crap shoot if you don't get one that works like most made in China stuff you are SOL ,. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. The only real 100-percent way to find the correct timing is to use a chassis or engine dyno," suggests Macy. It’s a fine art of calibration to get this perfect, requiring a super-fast reading of a lambda sensor. A larger decay value causes the accel “pump” amount to be ended sooner, and a smaller decay value allows the fuel to extend a little longer. #ad And under the hood with the engine running we can see all the status LED's on the FAST ECU. We can also assist you in picking out the correct motor mount and header combo that will fit your hot rod. 6 out of 5 stars 25. No mater how what ignition system you use, if the ignition spark timing is not correct for the engine needs, the engine will not produce all the potential power built into it. #ad Powered up here is the home screen of the FAST controller. Start the engine. With the engine together, we placed the Holley Sniper 4500 on the intake and wired the ignition and coil according to the instructions. FiTech's Ul-timate LS kit comes with a knock sensor control and is custom cam friendly. I run 44* TOTAL timing (in by 2800 or so), 33* INITIAL, with a custom made 11* mechanical advance limiting bushing. FiTech EFI setup: 4150 main body and dual bolt pattern Self-tuning system — NO tuning experience or laptop needed Bolts on to any engine under 600 hp, Complete system includes self contained ECU, wide-band O2 sensor, wiring harness, injectors and throttle body Easy-to-use hand held provides a simple setup & system tunes itself. These LED's help with. If you don't have a timing light, I'd suggest buying one for sure. ) with factory intakes, choose the stage 2 intake manifold type. FiTech EFI Has made it simple with their Go EFI 2X4 POWER ADDER 1200HP self-tuning System. On the Ignitor ® page, we talked about a dyno test performed on a mild 350 Chev with moderate engine modifications and a Mallory Twin-Point Distributor that recorded a benchmark dyno run of 195hp at the wheels (ATW). I am installing the FiTech TBI and going to use the timing control feature. 7L Vortec timing cover has additional clearance near the crankshaft seal and allows for the other 24x crank reluctor that can be used with double-row timing sets. FiTech Fuel Injection has been supplying automotive products, specifically fuel injection products, since 2012. On one hand I like the idea of being able to tune A/F ratios, timing and not have to deal with carb hesitation (sometimes due to improper tuning). We reach almost all horsepower endeavors. ----1999 F150 XLT Lariat Super Cab 4X4 5. 5" rear disc brakes; 24" Griffin Radiator w/twin 11" 2800 CFM fans; Classic Auto Air AC; Truck-Lite 7" LED headlights. If your late-model MPFI motor has an aftermarket intake like from F. Cleetus McFarland "Bald Eagle" LS1/LS2 Boost Cam. The 6LS controller is programmable by means of simple plug-in modules, an optional hand-held programmer, a laptop computer; giving the user a variety of ways to adjust RPM and timing. president’s corner. Proceed carefully and document the timing change by measurement, either by degrees of crank rotation or by millimeters before top dead center. Fuel injection has been around for a long time. It allows the use of a carburetor on these originally computer controlled engines, offering maximum power and a broad torque curve from 1500-6500 rpm. I do NOT run FiTech controlled timing curve. Big Block Chevy Tuning - tips, timing, idle RPM Discussion in ' The Hokey Ass Message Board ' started by BOSTONCAMARO , Oct 9, 2012. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. FiTech Go EFI self-learning fuel injection is out-of-the-box compatible with your 300-625 horsepower dual quad or tunnel ram motor. curve based on manifold pressure (vacuum or boost). For late-model multiport fuel injection type engines (Chevy LS, Mopar Gen 3 Hemi, etc. So under the same conditions as above, the timing needs to be increased to: 55°-17° = 38° BTDC! Timing advance is low at low engine speeds, because the piston is moving slowly, and the fuel has time to burn near TDC. Limited timing/fuel control. Most carburetor tuning includes setting idle, base timing and ignition curve optimization, jetting and accel enrichment tuning. 0 degrees you set this setting to 12. Hopefully this will help those who have the FItech get the IAC and some timing settings set right, again all engines are different so what mine likes for tim. #ad And under the hood with the engine running we can see all the status LED's on the FAST ECU. Fitech ultimate ls fault codes SURFboard mAX Mesh Wi-Fi Systems and Routers. w/Aero 340 LPH pump, TCP Power R&P; Full front coil over conversion w/1" Shelby drop; TMI Sport R custom interior; T5z TKO, Speed Hut custom speedo; Autometer Phantom gauges; SSBC Force 10 -13" disc brakes w/10. #ad FAST really has the software setup right. On one hand I like the idea of being able to tune A/F ratios, timing and not have to deal with carb hesitation (sometimes due to improper tuning). achieve the correct timing curve. Otherwise go to best vacuum at idle then back 1-2"/hg. This step also requires the use of a timing light. Home of "IgnitionMan" small-body HEI, MSD Trigger Only, and EFI-HEI Conversions 24 Buffalo Lane, Yerington, Nevada, 89447 Phone: (775) 722-3294 Distributor conversion orders, ignition system questions, email: info. Choosing a cam requires answering some basic questions, the most important of which is the engine application itself. Carburetor tuning requires the vehicle to be dropped off. We are leading providers of fuel systems and Ultra Ram SBC EFI. At higher speeds, the timing must be advance. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. Fitech ultimate ls fault codes. AutoMeter AFR dummy gauge ($300). Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. Texas Speed & Performance is your one-stop shop for all LS and Gen 5 LT1 & LT4 performance parts and engines! We are among the largest LS and Gen 5 LT1/LT4-specific shops in the country, and we machine and assemble all of our engines, camshafts, and Precision Race Components cylinder heads in house!. Second, the ignition timing curve can be tailored precisely to each individual cylinder, so the engine can, and this is important, run more compression because it is the first cylinder to detonate that limits the use of a single, mean, best-torque timing. Boost air/fuel targets are simple to adjust while timing curves can be retarded according to boost. With EFI, you are able to use a more aggressive timing curve than you may be able to with a carburetor, because of the ability to control the air/fuel ratio at varying load and RPM. Choosing a cam requires answering some basic questions, the most important of which is the engine application itself. Joined: Aug 11, 2011. Fitech 400 hp running rich. Opti-Spark is now the standard ignition system on 5. Intake air temperature and fuel octane have significant effects on detonation. - comp aluminum roller rockers 1. This build features the Cast Iron LQ9 6 bolt block. I gave it a little gas while. Fully adjustable and constructed of steel, the 3’ long x 1-1/4” wide face is Perfect for replicating body panels, as a template for plasma cutting or even use on wood projects. Rotate the distributor So, for stuff like the old FiTech EFI, now. I am just running a DS-II. With the curve built into the arm, you get maximum turning radius. We reach almost all horsepower endeavors. The FiTech system will control the timing if I desire so all in all for the money it not a bad unit. Fuel pressure regulators uses a diaphragm and spring combination within its housing; with a vacuum source on the top side of the diaphragm. The value you enter depends on your model and setup. I need to adjust the timing curve in my EDIS ignition. For 96 a combination crankshaft position sensor and cam shaft position sensor perform the timing functions on all the 4. 6whp at peak. 050" on the intake lobe will generally dictate where the power curve will occur. So how well does the Ignitor ® II work?. Engine Protection Feature. This presumes you know more than the factory, which is doubtful. At higher speeds, the timing must be advance. What is meant by a timing advance curve? The advance springs and weights are designed to advance the timing as the engine speed increases. Im curious (since this is. C3 Corvettes 1968-1982 350 MSD Digital E-Curve Distributor. (mike)>> nice flat curve, no bad spots in it. Vacuum advance is limited to 10* I may slow down the advance rate slightly, since with the 3. Messing with the ignition timing really won't help either, because it is still a lean fuel/air mix on deceleration that is the cause. But now thinking about it, the Fitech handheld was telling me what timing it was giving it and the timing light agreed. Fitech backfire on deceleration. No problems. The decay adjustments shape that curve. Everything from the ECU to all of the ECU sensors, to how to tune and control the system will be covered to make sure that you get a good foundation built on. Whether you have a totally stock, factory equipped truck looking for a bit of extra “get up and go” or MPG, EFI Live is the best, most cost effective way to meet your goals. My understanding is that it is beneficial/common practice to retard ignition timing (i. These PCM's have the ability to determine a cylinder misfire and will even tell you which cylinder midfired. Start out with your total timing the same as on gas then adjust for best mph. Technical Bulletins. - RE:TIMING CONTROL. com PN: 54001. This provides air/fuel ratios that are reasonably smooth and respond predictably to changes. In changing this, we have, by virtue of the method by which we express the LCA and the resultant advance/retard of the cam, changed the LCA to 110. Minimize flow restrictions between the fuel tank and the carburetors. Both controllers have timing curve mapping using MSD's Pro-Data+ software and programmable 2-step rev limiter, vacuum advance curve, and step retard. With EFI, it is possible to use a more aggressive timing curve than you might be able to with a carburetor. Faster processing means no more flat spots in the power curve or settling for “close enough. I'd try to end up with 34-36 total but the initial is where you need to experiment first. Go EFI-4 is not compatible with nitrous applications. Deprecated: implode(): Passing glue string after array is deprecated. Otherwise go to best vacuum at idle then back 1-2"/hg. Before checking the air/fuel mixture, the ignition timing and advance curve must first be correct. I run 44* TOTAL timing (in by 2800 or so), 33* INITIAL, with a custom made 11* mechanical advance limiting bushing. I can get the numbers if it becomes an question later, but my current issue is with starting. This engine makes an incredibly flat torque curve, 128 ft-lbs. Quality OEM product right there. No mater how what ignition system you use, if the ignition spark timing is not correct for the engine needs, the engine will not produce all the potential power built into it. Spoke to FiTech tech last Friday and got the IAC set right. Handheld Controller Feature Definitions – FiTech Fuel Injection read thru the Spark Map page and hopefully that will help. Any thoughts on this. I do NOT run FiTech controlled timing curve. Big Block Chevy Tuning - tips, timing, idle RPM Discussion in ' The Hokey Ass Message Board ' started by BOSTONCAMARO , Oct 9, 2012. If you are in need of a serpentine pulley kit. Limited timing/fuel control. that was actually really encouraging. 0 degrees you set this setting to 12. FiTech EFI Has made it simple with their Go EFI 2X4 POWER ADDER 1200HP self-tuning System. The Ultimate LS system will allow for both EV, EV6, and truck injectors with interchangeable injector harnesses. Here are the upper timing tables various standard Australian LS1s I have outlined the area that is most important at WOT in stock cars. EFILive is an electronic tool for tuning your diesel truck for better MPG, better torque and horse power curves for towing, and improved drivability. FiTech's Ultimate LS kit comes with a knock sensor control and is custom cam friendly. 050": 230° / 236° Max Lift w/ 1. What I mean is, the MSD software lets you set the all-in timing, then you can map your curve from that timing in retard degrees. Car is in drive with helper foot on brake and idle is set to factory test procedure (about 600 rpm for a 1970), and then set idle to factory spec. The reason I chose the FiTech system apart from price is that a lot of parts that make up this unit are OEM so getting replacement bits will not be an issue. The VE curve is assumed to follow the torque curve (which is not quite right, but close enough for a first approximation). Generally speaking one jet size represents a 4. Designed for 4150 and 4500 style flanges (When using 4500 style flange, P/N 300-4145-1AL adapter is required). Forget the crummy wedge style brakes on the '79 cars. Carburetor tuning requires the vehicle to be dropped off. Limited timing/fuel control. I run 44* TOTAL timing (in by 2800 or so), 33* INITIAL, with a custom made 11* mechanical advance limiting bushing. The OE 12A front disc brakes are pretty good on the '80+ cars. Since everyone always wants numbers, I have always been safe in advancing the map 2 degrees everywhere to start with. The ignition timing set by the factory requires the use of a high-quality lead free regular gasoline with an octane specification of (R+M/2). in/public/wi90/8tdjjmyzdn. Minimize flow restrictions between the fuel tank and the carburetors. Some Magnetti Marelli bikes responded by having a -60 put in this column while most Delphi bikes respond by inputting a +25. An engine with larger tube headers may actually make more peak horsepower on a dyno, but at the sacrifice of low- and mid-range power, a loss particularly noticeable on a circle track car exiting a corner, or on a drag car at. Program your engine's firing order for ease of setting the cylinder-to-cylinder timing. Have it all come back in in the low 2000's (your torque converter stall should be considered. Our nitrous cam will then have the valve timing at 31-59-77-23. With EFI, you are able to use a more aggressive timing curve than you may be able to with a carburetor, because of the ability to control the air/fuel ratio at varying load and RPM. Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine. 7L Vortec timing cover has additional clearance near the crankshaft seal and allows for the other 24x crank reluctor that can be used with double-row timing sets. If you still have detonation, make sure the TDC mark is accurate, the timing curve (advance rate) is stock, and the antifreeze is not over 180°F; and check to see if the heads have ever been milled or de-carboned. 229/244 cam. In those days the Ford designers were trying every trick in the book to get their engine to pass the fed emissions specs. 006": 274° / 286° Duration @ 0. 00: 615 torque @ 4500 rpm. Join us for this complimentary BAI webinar to hear Tom Brown, Editor-in-Chief of Tom Brown’s Banking Weekly and founder and CEO of Second Curve Capital, give insights on the four areas where he sees the greatest opportunity for smaller banks: debit card programs, private banking, SMB banks and pick-your-spots banks. - comp aluminum roller rockers 1. 60 That made a world of improvement since I can now set timing and advance curves on the fly. There is no doubt that given more learning time, the FiTech would outperform the carb and provide a flatter torque curve ( divability ). com Please visit the GALLERY page for pictures of a. Boost air/fuel targets are simple to adjust while timing curves can be retarded according to boost. If you are in need of a serpentine pulley kit. I was messing around today and checked my timing curve It seems wayyyy too advanced. You set the tune very conservative and then get more aggressive in small steps. The 1996–1997 LT1 timing cover has limited clearance near the crankshaft seal, so one reluctor design allows for the LT1 timing cover and the GM single-row timing set. what is tricky about choosing a junkyard motor is they blended years and items, hardware and technology over year make and model. Some of the B diesels are manufactured byDaihatsu and can be identified by the letter "D" on the timing cover. By the ’50s mechanical fuel injection was widely used on all forms of American […]. Timing control provided by ECU. When the MAP senses an increase in manifold vacuum at high rpm, the ECM electronically advances the spark. Rotate the distributor so they could have a distributor manufacturing facility for their EFI and other setups. FiTech's Ultimate LS kit comes with a knock sensor control and is custom cam friendly. I don't set mine that far out because the controller in my FiTech can both advance and retard timing. The Go EFI Dual Quad Power Adder System Kit (Matte Black, 1200 HP) is for the guys who have 671 and 871 Roots Superchargers or make up to 1200 HP naturally aspirated on their Dual Quad setup. Then dajust timing at 3000 rpm or where max advance is in rpm range. Read the number on the timing plate adjacent to the timing mark on the balancer. Fitech 400 hp running rich. Often timing set ups can be troublesome if other problems. The 355 with the brodix heads and the cam and the port matched intake manifold came out right. Designed for 4150 and 4500 style flanges (When using 4500 style flange, P/N 300-4145-1AL adapter is required). Limp home mode limits the transmission to only second gear, which keeps your vehicle safer, while also giving you enough power to get to a dealer. These are a couple curves my my low and hi-speed EBL tables from way back in 2009. Dyno Results: Camshaft Part # 12-246-3: Designation: XE274H-10: Duration @ 0. The popping noise, might be a timing issue? whoaskew. 03-31-2010, 08:07 PM. My project is a 1971 Mustang Mach1 351-4V. This return line is located downstream of all the injectors. @6000 rpm, peaking at 152 ft-lb. that uses existing factory coil packs and sub harnesses. • FiTech Fuel injection is designed to be used with street based injection systems: MSD digital 6AL or street fire, Sum-mit street amplifier box, etc. Enjoy! Ken. (mike)>> nice flat curve, no bad spots in it. Wiring the system is made easy with a custom wiring harness that uses existing factory coil packs and sub harness. Nothing wrong with them, but the beauty of EFI, at least for me, is the adjustability especially when engines are modded (say change the ignition timing curve). We reach almost all horsepower endeavors. From this I know that from 4200 - 5000 rpm I need to adjust my fuel, or timing to get rid of the knock. Fully adjustable and constructed of steel, the 3’ long x 1-1/4” wide face is Perfect for replicating body panels, as a template for plasma cutting or even use on wood projects. Setting Ignition Timing Curves Tick-Tock Timing The Right Way. Output to activate a device through rpm, time or pressure inputs. (34* for Mopars and 35* for Fords). I'm not real familiar with Edelbrock's systems as I try to avoid systems that require chips to be programmed for them. Also, a return fuel line from the fuel pressure regulator. I do NOT run FiTech controlled timing curve. To use the. The bend test: Even with 175,000 miles on them, the OEM plug wires take a curve without cracking. If measured at discrete increments of rpm, the timing figures generated by the weights and springs as they move during engine acceleration define a curve when the valves are plotted on a graph. I was messing around today and checked my timing curve It seems wayyyy too advanced. FiTech Go Fuel Fuel-Pressure Regulators. But now thinking about it, the Fitech handheld was telling me what timing it was giving it and the timing light agreed. that was actually really encouraging. So how well does the Ignitor ® II work?. The rate at which the springs let the advance weights move determines the timing curve. Ignition Timing and The Advance Curve. By the ’50s mechanical fuel injection was widely used on all forms of American […]. So besides lowering the compression, a lot of weird control configurations got put in place to squeak by. Or "quick" until the detonation limiter might kick in. that uses existing factory coil packs and sub harnesses. I can start with just the idle timing. I'd try to end up with 34-36 total but the initial is where you need to experiment first. The Go EFI Dual Quad Power Adder System Kit (Matte Black, 1200 HP) is for the guys who have 671 and 871 Roots Superchargers or make up to 1200 HP naturally aspirated on their Dual Quad setup. The only real 100-percent way to find the correct timing is to use a chassis or engine dyno," suggests Macy. No regulator, pump controller, gauge or ignition box. it's on 28 degrees of timing. Have it all come back in in the low 2000's (your torque converter stall should be considered. Dyno Results: Camshaft Part # 12-246-3: Designation: XE274H-10: Duration @ 0. With the additional purchase of a twEECer system they are now fully tunable. 5% change in a Holley type main jet. Once back ON, go to ADVANCED SETUP, select IGNITION TIMING, and then select LOCK TIMING. Proceed carefully and document the timing change by measurement, either by degrees of crank rotation or by millimeters before top dead center. All that’s changed is the point at which the exhaust opens. I am now using my MSD 6AL to control timing and plan on trying to get the Fitech timing working again or switch over to a MSD 6530 digital 6AL that I already have. ^DISCLAIMER: Discounts apply to most recent previous ticketed advertised price. Also total timing of 38* may be high for some engines especially if you are going lean at any point with your carb setup. I can't really compare it to. It can also be set with the Hand Held Monitor. FiTech Go Fuel Fuel-Pressure Regulators. ----1999 F150 XLT Lariat Super Cab 4X4 5. These are a couple curves my my low and hi-speed EBL tables from way back in 2009. #ad Powered up here is the home screen of the FAST controller. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. I'm not real familiar with Edelbrock's systems as I try to avoid systems that require chips to be programmed for them. Home of "IgnitionMan" small-body HEI, MSD Trigger Only, and EFI-HEI Conversions 24 Buffalo Lane, Yerington, Nevada, 89447 Phone: (775) 722-3294 Distributor conversion orders, ignition system questions, email: info. The FI performed great. I have decided to not use the function. Hot rods and street rods have always been the core of the West Coast Nationals, which makes it a perfect home for the America’s Most Beautiful Street Rod. the Vacuum curve. Don't get me wrong, the factory (read: old) HEI distributor in my bone-stock 350ci engine still functioned "well," but it was beginning to show. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. So I'm curious if I should run timing control or not. [email protected] Program your engine's firing order for ease of setting the cylinder-to-cylinder timing. Fuel injection has been around for a long time. 006": 274° / 286° Duration @ 0. I don't set mine that far out because the controller in my FiTech can both advance and retard timing. FiTech has added two new regulators to the company’s Go Fuel line: a compact model (shown here) and a larger dual-outlet version. Dyno Results: Camshaft Part # 12-246-3: Designation: XE274H-10: Duration @ 0. I'm going efi. a comparable normally aspirated engine, and, to further retard timing in a way that is proportional to boost (not necessarily linearly). This is not a "7 or 8 " sensor system, the FiTech has a wideband O2 sensor, can control the timing from a ready to run distributor, temp sensor and has a connection to manifold vaccum. Thank you. Output to activate a device through rpm, time or pressure inputs. Believe the timing light above all else, it's always the real timing (if there's a discrepancy). • FiTech Fuel injection is designed to be used with street based injection systems: MSD digital 6AL or street fire, Sum-mit street amplifier box, etc. Our website uses cookies to improve your experience. Hyper Spark Distributors are the perfect distributor for use with EFI systems when controlling timing from the EFI controller. Charts, Graphs, & Specs. Big Block Chevy Tuning - tips, timing, idle RPM Discussion in ' The Hokey Ass Message Board ' started by BOSTONCAMARO , Oct 9, 2012. Read the number on the timing plate adjacent to the timing mark on the balancer. Included are several timing curves that are each tailored for different camshafts, final drive gearing, and vehicle weight. Uploaded files: You need to login to have access to uploads. This is not a "7 or 8 " sensor system, the FiTech has a wideband O2 sensor, can control the timing from a ready to run distributor, temp sensor and has a connection to manifold vaccum. The timing curve is whatever their base tune was. top of the line. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. This system makes tuning your Supercharged engine easy! Bolt on 2 of these tough looking throttle bodies and drive your car as the system dials itself into the perfect calibration for all of your driving and. A letter of complaint was drawn up smartly, and taken around to the garage, where there was a calm 5 minute discussion. Believe the timing light above all else, it's always the real timing (if there's a discrepancy). If you are in need of a serpentine pulley kit. These systems don't do anything with the transmission control, so you need to run a stand alone transmission controller for the 4R70W. FiTech, MSD Atomic, Holley Terminator, etc. Everything from the ECU to all of the ECU sensors, to how to tune and control the system will be covered to make sure that you get a good foundation built on. But now thinking about it, the Fitech handheld was telling me what timing it was giving it and the timing light agreed. The 6LS controller is programmable by means of simple plug-in modules, an optional hand-held programmer, a laptop computer; giving the user a variety of ways to adjust RPM and timing. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. sicurapoint. I am running the FiTech and a Procharger on mine. This is more than just increasing the main jets (in a carburetor) by 30%. I'm going efi. w/Aero 340 LPH pump, TCP Power R&P; Full front coil over conversion w/1" Shelby drop; TMI Sport R custom interior; T5z TKO, Speed Hut custom speedo; Autometer Phantom gauges; SSBC Force 10 -13" disc brakes w/10. About 500 miles round trip. Minimize flow restrictions between the fuel tank and the carburetors. a comparable normally aspirated engine, and, to further retard timing in a way that is proportional to boost (not necessarily linearly). president’s corner. With EFI, it is possible to use a more aggressive timing curve than you might be able to with a carburetor. Valve Timing Tutorial. Fitech ultimate ls fault codes SURFboard mAX Mesh Wi-Fi Systems and Routers. Whether you have a totally stock, factory equipped truck looking for a bit of extra “get up and go” or MPG, EFI Live is the best, most cost effective way to meet your goals. It also presumes you have some way of evaluating your changes which is even more doubful. DIAM: STD. FiTech's Ultimate LS kit comes with a knock sensor control and is custom cam friendly. I'm setting the spark map in my FiTech system to replicate a mechanical advance curve and letting the vacuum advance do what it always has, account for the load changes. The problem going too much in one direction mechanically then trying to adjust it electronically would be the arcing issue where you could ignite the wrong cylinder or you are just too far away. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. BluePrint Engines is your premium choice in aftermarket and high-performance crate engines. Features: 74 Stroke x 94 Bore, Los Panchito heads 9:1 compression. I set the timing to 22 degrees with the timing light at idle (if you are following, this is 14 degrees retarded from all-in point in the software). This is because of the ability to control the air/fuel ratio at varying load and RPM. Below is a VX HSV 255kw upper timing table. We are leading providers of fuel systems and Ultra Ram SBC EFI. These systems don't do anything with the transmission control, so you need to run a stand alone transmission controller for the 4R70W. I was told specifically by FiTech's owner, Ken Farrell, that if your timing/distributor/advance curve was working good, then more often than not, you'll have lackluster results in trying to be smarter than your distributor is, and "making" a new curve. No problems. I am running the FiTech and a Procharger on mine. Update , pulled the Fitech 1200 dual quad power adder off and going back to the 1050 dominator , customer service rates zero with me , My thoughts are the system has great potential but it's a crap shoot if you don't get one that works like most made in China stuff you are SOL ,. Complete Self Tuning Induction Systems for LS engines designed for the do-it-yourself Hot Rodder to the professional EFI tuner! This system is ready to go with everything needed to complete the induction system of your LS engine. i have acuired the limiter plate and springs from 4secondsflat for the distributer and will be doing some curve tuning soon. So lets say you set your timing @ 35*, pull 20* for start and idle. Cylinder numbers (front to rear) 1-2-3-4-5-6: Firing order: 1-5-3-6-2-4: Spark Plug gap: 0. Lock the Timing via the Handheld Controller. Forget the crummy wedge style brakes on the '79 cars. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost easily through your touch screen controller. Choosing a cam requires answering some basic questions, the most important of which is the engine application itself. All of the fitech values are based on this number, it will add or subtract whatever it needs to reach your preset goals for timing and can display them live as well as. View frequently asked questions by category to find topics relevant to your products. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost through the touch screen. Flow must be increased throughout the whole system and fuel curve. The rate at which the springs let the advance weights move determines the timing curve. I know that I will have to use a two wire distributor. Home of "IgnitionMan" small-body HEI, MSD Trigger Only, and EFI-HEI Conversions 24 Buffalo Lane, Yerington, Nevada, 89447 Phone: (775) 722-3294 Distributor conversion orders, ignition system questions, email: info. The only reason that this is done is that it is much easier to put timing marks up through 38 degrees on the damper AND they will be visible when. FiTech EFI Has made it simple with their Go EFI 2X4 POWER ADDER 1200HP self-tuning System. Lock the Timing via the Handheld Controller. FiTech EFI w/Tanks Inc. The best tuning tools are a good set of ears and eyes, followed closely by data in the form of oxygen sensors and brake specific fuel consumption (BSFC) numbers. Our complete LQ9 408CI 575HP stroker crate engine package dyno tested ready for installation. Below is a VX HSV 255kw upper timing table. Fitech ultimate ls fault codes. Rotate the distributor So, for stuff like the old FiTech EFI, now. If your actual timing in Toothed Wheel is not the same as your commanded timing, there is a problem with your trigger wheel settings, most likely with your #1 tooth angle. sicurapoint. Crusader fuel injected engines are calibrated to operate on 87 octane fuel and maximum performance is obtained when using this fuel. Duplicate shapes, curves and compound contours with great accuracy using the Eastwood Curve Template. I'm setting the spark map in my FiTech system to replicate a mechanical advance curve and letting the vacuum advance do what it always has, account for the load changes. Features: 74 Stroke x 94 Bore, Los Panchito heads 9:1 compression. 8:1 compression ratio AFR 195 heads Victor Jr intake 1 3/4" headers 5-speed 3. With the dual curves you can run you can easily set the timing at 34 to 36. Fuel injection has been around for a long time. - sa gear billet timing set with torrington bearing and rolon chain 9 keyway. 0 degrees you set this setting to 12. This is to make sure that your advance curve occurs as we entered it into our ignition table. As the engine accelerates, centrifugal forces attempt to pull the weights from the timing plate. 5% change in a Holley type main jet. ^DISCLAIMER: Discounts apply to most recent previous ticketed advertised price. We usually install a 26° mechanical curve that starts about 100 rpm higher than the engines idle rpm and have all 26° in by 2,800 rpm, this is a good general purpose timing curve when used with 12° initial timing set at engine idle. Ignition Timing and The Advance Curve. My vehicle emissions sticker is missing so I don't know the initial timing, and what the centrifigual advance timing would be and the vacuum advance setting. The VE curve is assumed to follow the torque curve (which is not quite right, but close enough for a first approximation). This return line is located downstream of all the injectors. Duplicate shapes, curves and compound contours with great accuracy using the Eastwood Curve Template. Register for an Abercrombie & Fitch account & enjoy the benefits of faster check out, order history and save wish list. I was told specifically by FiTech's owner, Ken Farrell, that if your timing/distributor/advance curve was working good, then more often than not, you'll have lackluster results in trying to be smarter than your distributor is, and "making" a new curve. This engine makes an incredibly flat torque curve, 128 ft-lbs. The theory I believe is that where the engine makes maximum vacuum pressure should be the ideal timing. These PCM's have the ability to determine a cylinder misfire and will even tell you which cylinder midfired. Crusader fuel injected engines are calibrated to operate on 87 octane fuel and maximum performance is obtained when using this fuel. FiTech Fuel Injection reserves the right to refuse or cancel any such orders whether or not the order has been confirmed and your credit card charged. Ultimate LS Standalone ECU with Trans Control - #70051. Just because you have run a big-block Chevy before does not mean all big-block Chevys like 32 degrees of timing. Choosing a cam requires answering some basic questions, the most important of which is the engine application itself. For example, 100 kW wheel power, can be obtained in 2 nd gear, 4 th gear and 5 th gear. A larger decay value causes the accel “pump” amount to be ended sooner, and a smaller decay value allows the fuel to extend a little longer. Lock the Timing via the Handheld Controller. If you don't have a timing light, I'd suggest buying one for sure. Program your engine's firing order for ease of setting the cylinder-to-cylinder timing. These PCM's have the ability to determine a cylinder misfire and will even tell you which cylinder midfired. Ultimate LS Standalone ECU with Trans Control - #70051. Find MSD Digital E-Curve Pro Billet Distributors 8504 and get Free Shipping on Orders Over $99 at Summit Racing! MSD Digital E-Curve distributors will drop right into your engine and fire up with three simple connections! Not only are there no external controls or boxes to mount and connect, but you can set a timing curve with the twist of a rotary dial! That's right, no more springs or stop. com Please visit the GALLERY page for pictures of a. These are a couple curves my my low and hi-speed EBL tables from way back in 2009. Any thoughts on this. FiTech, MSD Atomic, Holley Terminator, etc. To use the. (mike)>> nice flat curve, no bad spots in it. Rotate the distributor So, for stuff like the old FiTech EFI, now. ) with factory intakes, choose the stage 2 intake manifold type. Boost A/F targets are simple to adjust while timing curves can be retarded according to boost through the touch screen. BluePrint Engines is your premium choice in aftermarket and high-performance crate engines. The OE 12A front disc brakes are pretty good on the '80+ cars. The only real 100-percent way to find the correct timing is to use a chassis or engine dyno," suggests Macy. Of course, that often requires the services of an expert tuner with a dyno, but it is generally well worth the cost and effort. My Build: 6. what is tricky about choosing a junkyard motor is they blended years and items, hardware and technology over year make and model. I have decided to not use the function. long tubes.