How To Tune A Fuel Injected Engine

Mechanical fuel injection literally has only a handful of moving parts, no gaskets and only a couple O-rings. Mechanical Diesel Engine Tuning. Minimum requirement in my opinion is TPS, MAP, coolant sensor, wideband o2. In a more complex mechanical fuel injection system with more than one bypass or enrichment nozzle, an air to fuel ratio of each segment of the fuel curve can be determined. The low pressure side of the fuel system consists of a number of components including the fuel tank, one or more fuel supply pumps and one or more fuel filters. Engler Machine & Tool specializes in fuel injection systems for 600 and 1000 micro sprints, midgets, 305's, 360's, 410's, and big blocks. 1986 corvette. Methanol fuel is generally harder to set up for than gasoline, therefore APT recommend its use for experienced tuners only. To properly tune a car, you should have the car forced into open loop, with all overtemp models turned off (CAT overtemp, exhaust valve overtemp, etc), and all commanded EQ ratio tables should be set to 1. Our harness upgrades to the 1988-90 CK truck computer. Listen here to the radio story: John Deere Maintenance Monday: Starting a flooded fuel injected engine. Fine-tune and reprogram computer-controlled systems: In vehicles with computer-controlled engines, a hand-held reprogrammer will advance timing, optimize fuel delivery, and change shift points on automatic transmissions. For the engine to run smoothly and efficiently it needs to be provided with the right quantity of fuel /air mixture according to its wide range of demands. If the engine makes 500 hp, that’s 250 lbs/hr. Routes the air to the engine on a multi-port or direct injection fuel injected car. Modern engines that are controlled in real time by an engine control unit use a computer to control the timing throughout the engine's RPM and load range. These features give you the ability to easily adjust your ignition curve specifically for your engine setup, eliminating the hassle, complexity and limitations of the standard distributor advance mechanism. 7 Powerstroke is a very good design that delivers quiet operation and great performance. Air/fuel ratio is controlled by modifying the jetting. Actuators are the thing-a-ma-do-dads that gives fuel and spark to an otherwise really big paperweight. Engler Machine & Tool specializes in fuel injection systems for 600 and 1000 micro sprints, midgets, 305's, 360's, 410's, and big blocks. I need to give a BIG thanks! to Eric Russell for providing us with this page. Nitrous Oxide (NO2) is a gas that contains much more oxygen than air does on a weight by weight basis; NO2 is often used to boost the power of an engine. The GM system was selected because of better scan-tool diagnostic output and more available conversion information. When decelerating, the engine will typically either lean out the fuel mixture or shut the fuel off completely (some fuel-injected engines). chevyhiperformance. Crafted for less weight and high displacement, they generate abundant torque and immediate power. Fuel control has always been the weak link in performance, fuel economy and emission control. Adding Chevrolets Tuned Port (Electronic) Fuel Injection system to the Small Block Chevrolet used in your Street Rod, Street Machine, Kit Car or daily driver will improve its driveability, performance, and fuel efficiency, in addition to giving the engine compartment a clean, "High-Tech" look. , this is an especially important area for tuning, with great results achieved in drivability and fuel MPG. In a Ron's Fuel Injection system the pumps are typically driven off of the crankshaft with a mandrel assembly. (Note: Some vehicles are not equipped with the an external filter, these vehicles filter is located inside the fuel tank and are good for the life of the car in most cases. MegaSquirt works on a number of levels to inject the correct amount of fuel into your engine. For those older 4G13/4G15 from the Saga, Wira and Satria model, it is a standard 12 valves carburator engine. This EZ-EFI self-tuning fuel injection system Maste Kit from FAST includes an inline fuel pump kit. Descriptions of the carburetor or fuel injection systems and other procedures can be found in Fuel System in this repair guide. We can fine tune your carburetor or fuel injected car or truck to a razor's edge on our in house chassis dyno and for those of you looking to tune your car at home, we offer online and over the phone tuning and tech support when and where you need it most. E85 + Race Gas vs Water Meth Injection Tuning. The emergence of fuel injected motorcycles in the late 90's required a different standard of tuning than a carburetor. A practical guide to modifying and tuning modern electronic fuel injection (EFI) systems, including engine control units (ECUs). An all billet fuel delivery system completes the package. Many people will tell you that you can run the in tank pump with a regulator before the carburetor. His comprehensive troubleshooting, service procedures and tips will help you master Ford's engine control system. Today, fuel injection is as common as cup holders and airbags, another take-it-for-granted advance that makes the modern automobile fuel efficient, environmentally clean, and easy to drive. Mazda's fuel injected 13B Turbo II engine. Different fuels have different weights and work best at different air/fuel ratios. The air being drawn into the engine moves in pulses, and the runner length is such that air pulses arrive at the intake valve at convenient moments in the combustion cycle, and can force their way into the combustion chamber on their own. Using a standard fuel pump that supplied fuel to a mechanical injection pump with individual plungers for each injector, the system pumped high-pressured fuel directly into the engine’s combustion chamber. Converting from carburetion to fuel injection just sounds intimidating. Pressure is regulated by an adjustable regulator. The fuel injectors in your vehicle are designed to spray fuel into the cylinders of your engine where it is combined with air and compressed before being ignited by the spark plug to produce power. com: Bosch Fuel Injection and Engine Management: How to Understand, Service and Modify (9780837603001) by C Probst and a great selection of similar New, Used and Collectible Books available now at great prices. I have a 2009 Cadillac CTS with a 3. Chevrolet first printed "Form 1514C, Fuel Injection Specifications" in July of 1965 to document tuning info for all the FI model series from 1957 through 1965. I installed a ZZ502 cam. We can rebuild/refurbish and upgrade any magneto for more output at the sparkplug. 8L Turbo-Diesel 4-cylinder engine. This page is dedicated to the owners of these vehicles equipped with GM's dual point fuel injection (model 220 TBI). Fuel injection pressure plays an important role in better atomization of injected fuel allows for a more complete burn and helps to reduce pollution. Read Comments. comSMThemes. Fuel injection helps the VTX 1800 ride more smoothly than carbureted V-twins. Though its electronic control is highly advanced, tuning the “ 882 “ can be relatively simple to. 5” minimum height clearance required • 1000cfm kits feature a Billet 2Bbl. 7L engines from the factory went from 205 HP (1984 Corvette/ crossfire injection) to 245 HP with the addition of TPI. A carburetor that's too big for a given engine will often have poor throttle response and torque at low to mid-range RPM, but work well at high RPM. Controller is an add-on device that allows the tuner to both richen and lean the fuel mixture using a screwdriver. This engine has a fuel injector in the exhaust tract, to allow raw fuel injection during the particulate filter recycling routine. At $225 this tuner is a great value in the modification department. The old mechanical spark distribution was far from ideal and meant that most of the time the engine was not running at peak efficiency. The Hyper Methanol Fuel injection System produced at least 10 more horsepower throughout the entire power band over stock injectors on gasoline using a stock engine, and more gains are achievable using a modified engine. Start with all three PID parameters at 10. Engine Management Systems; Fuel Supply. An A/F ratio near 12. This type of saving can be done on mostly any vehicle (diesel or petrol) (electronic injected engines). Drag and drop the fuel table to the tuning box. At an indi­cated BSFC of. If its to be injected after the turbo, then you will need to arrange your setup as for a blow through system with compensated regulator. the built in interpolation in the engine management system. Electronic Fuel Injection, or EFI for short, is the method utilized to properly tune most engines that power today's powersports equipment. I selected the Dobeck Performance EJK GEN 3. The GM system was selected because of better scan-tool diagnostic output and more available conversion information. Converting a Jeep 4. In a more complex mechanical fuel injection system with more than one bypass or enrichment nozzle, an air to fuel ratio of each segment of the fuel curve can be determined. Open-loop and closed-loop EFI systems. It does not matter whether it is a car, truck, van, 4 cylinder, 6 cylinder or 8 cylinder engine. The book starts out with plenty of foundational topics on wiring, fuel systems, sensors, different types of ignition systems, and other topics to help ensure the reader understands how EFI Systems work. How to build Max-Performance Chevy LT1/LT4 Engines highlights the 92-97 GM LT engine and how to extract permormance from it at any level for street, strip, or track. tuning for supercharged and turbocharged ls engines March 30, 2017 by LS Engine DiY In the most basic terms, electronically controlled engines must be carefully calibrated to take advantage of engine modifications that affect airflow and fuel delivery requirements. Synonyms for Fuel-injected in Free Thesaurus. Com COMPLETE Bolt On Systems. Speedmaster™ line of EFI systems is all you need when deciding to upgrade your engine to modern electronic fuel injection. Tuned Port Injection stand alone EFI wiring harness. The is an introduction to tuning with a programmable electronic fuel injection ECU. “This year’s giveaway car was a ’61 Fuelie roadster with a 4-speed…While it was not a matching number car, the fuel injection unit had been gone through by the Pharaoh of Fuelies, Jack Podell. Even after a proper fuel pump size is determined, tuning with jetting can be an endless task. However in some aircraft, the electric backup pump doesn't provide enough pressure on its own to keep the engine running. The Power Vision can tune any fuel injected Harley-Davidson motorcycle with the Delphi ECM. Check the fuel pressure regulator, the injectors, and the hoses to see if any fuel is leaking into the cylinders. OHC 4v engines like Ford’s aren’t too different from a hemi chamber in that they have poor quench and in combination with a big port don’t keep fuel mixed particularly well when the air and piston is moving slow which is part of the reason those engines have a reputation for being soggy on the bottom end compared to say GM’s LS engine. Fuel injection products and services. Dyno, American Iron Magazine, September 2006 Dyno Dos And Don'ts, V. How Does Fuel Injection Work? There are three main parts to a fuel injection system-the fuel injectors, a set of sensors and an ECU. Today, fuel injection is as common as cup holders and airbags, another take-it-for-granted advance that makes the modern automobile fuel efficient, environmentally clean, and easy to drive. I am probrably going to use a LS1/LS6 intake system. However, for engines outfitted with a turbo or supercharger, stock fuel injectors will decrease performance. This intake manifold is found ahead of the cylinders in most fuel injected engines. For trucks ranging in year 99. has fuel pressure at fuel rail, but fuel pump has to be jumped by 12volts, has good oil pressure, engine ran fine, up until no start condition, no codes avaliable, all fuses good. I have a 2009 Cadillac CTS with a 3. EFI controllers available for ATV, UTV, motorcycles, dirt bikes, watercraft, snowmobiles,. The stoichiometric point is the AFR where all of the oxygen in the air burns with all of the fuel. The engine Flow-Chart is all combined and creates the system “Strategies,” a second flow chart can be added for vehicles with automatic transmissions. The injection system is controlled by an illuminated on/off switch located inside the cab, giving the driver full control of system operations and saving fuel. There are still issues to work out here but this is just the beginning. Through the use of a wide band O2 sensor the system can continuously make adjust-ments in the fuel delivery to provide the correct air/fuel. Print This section contains only adjustments as they normally apply to engine tune-up. It puts any vehicle's horsepower capacity at the power of your fingertips. Then in the mid'80s, computer-whiz John Meaney created a standalone engine management system that controlled fuel and spark independently from the factory computer. I have been working on converting the 2. 5 because of the excellent reviews, performance, value, ease of installation and operation. How It Works by Dr. The second field tells the fuel trim at elevated engine speeds (Multiplicative). With the flood of Injection systems on the market today, A little research and you will notice that most if not all provide systems based on a 50/50 mix, this is due in part to the higher cost of internal - as well as external parts needed to hold up to 100% "safely". The Ford Fuel injection control module is the only automotive application that we currently restore and this is proudly performed in the USA. Make a bunch of low rpm steady state pulls in the rpm range in which you will be driving in, look at the fuel numbers and richen or lean it out according to what the fuel numbers are. Basic Theory. This stout engine is capable of thumping out OVER 50 HP and 50 FT*LBS TORQUE in stock trim and propels the RZR with authority!. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Small Block Ford - Engine Specific Multi-Port Fuel Injection Kits - Self Tuning EZ-EFI 2. Fuel Injection Connection. The BSFC is how much fuel is used per horsepower per hour. Connect a fuel pressure gauge with a T-piece to the distribution manifold and the hose to the cold start valve. If the fuel level is too high or low, adjust the float level. While the S&S VFI system will give excellent results on stock engines, its tuning flexibility is essential when engine modifications have been made. 4 Powerstroke engine is a common rail type fuel system. Water Temperature Sensor The water temperature sensor is a hex-head brass component located in the cooling system pipes. BOSCH L-JETRONIC FUEL INJECTION IDLE ADJUSTMENT, DIAGNOSTIC AND TUNE UP PAGE for USA models of Alfa Romeo Spiders 1982-1989. How It Works by Dr. lucas l electronic fuel injection as fitted to the 3528cc v8 engine installed in the rover sd1 vitesse and efi vdp contents part 1 introduction & description part 2 system operation part 3 electrical function & circuit operation part 4 approaching a tune up & diagnosis part 5 electrical tests & equipment part 6 hints & tips. Fuel injection mechanics have been using this one page data sheet as their primary reference source for calibration settings ever since. It is highly recommended NOT to change this until the ECU is allowed to perform self-tuning. This ensures the maximum power output and optimum fuel efficiency. The GM system was selected because of better scan-tool diagnostic output and more available conversion information. The old mechanical spark distribution was far from ideal and meant that most of the time the engine was not running at peak efficiency. You do not need to understand fuel injection systems as long as you have some mechanical ability and some basic PC skills you can fit and tune this system. You can keep your steel fuel lines under the car, just run efi rated fuel hose where it needs to be run. Disconnect the hose to the cold start valve from the fuel mani- fold. Setup & tuning of a methanol fuel injection engine is done with proper fuel pump size and jetting. Howell Engine Developments Fuel Injection Conversion for 72-81 Jeep CJ-5, CJ-6, CJ-7& CJ-8 with AMC-304 8 Cylinder, 4 Barrel Carb & Original Manifold $1,299. However, because diesel engines use a different process to combust their fuel, where a traditional gasoline engine compresses a mixture of gasoline and air and ignite it with a spark, diesels compress air only, then spray in fuel which is ignited by the heat and pressure, their injection systems differ in design and operation from gasoline direct fuel injection systems. Getting The Basics. 1) remove the inner engine cover and remove the intake manifold. Bosch Fuel Injection and Engine Management: How to Understand, Service and Modify [C Probst] on Amazon. Modern engines last longer because they have electronic fuel injection that simply corrects the air/fuel ratio so you never have an excessively rich or lean condition. FUEL Setup you'd run a efi filter to lift pump to surge tank to EFI Pump. Make a bunch of low rpm steady state pulls in the rpm range in which you will be driving in, look at the fuel numbers and richen or lean it out according to what the fuel numbers are. Tuning may be available for certain imports if software is available. Synonyms for Fuel-injected in Free Thesaurus. com's exclusive "turnkey" BigStuff3 kits include everything needed to convert carbureted Small & Big Block Chevys and Small Block Fords to EFI Includes: Bigstuff3 Gen3 Pro SEFI Fuel Injection System, aluminum intake, throttle body, fuel injectors, fuel rails, fuel pump kit, MSD Billet Distributor, sensors, wiring harnesses. One for N/A vehicles and one for boosted vehicles. In a Ron's Fuel Injection system the pumps are typically driven off of the crankshaft with a mandrel assembly. If its to be injected after the turbo, then you will need to arrange your setup as for a blow through system with compensated regulator. Dyno, American Iron Magazine, September 2006 Dyno Dos And Don'ts, V. Tune the Proportional first, the Derivative second, the Integral last, then fine tune the three together. The tuning aspect is fairly self-explanatory, as modern fuel injection (the system comes with a stand-alone management system) can provide precise tuning only dreamed of by the carbureted contingent. C6 C7 Corvette: How to Replace the Fuel Filter Fuel filters on the C6 and C7 can be serviced, but it is not a job for the novice mechanic to take lightly. People like to autotune some closed loop systems, or just tune non closed loop systems, to 13. This system is perfect for your everyday Driver right up to your weekend Street Machine or Bracket Racer. To reach the cylinder, fuel follows a circuitous path from the engine-driven pump, through a metering device (controller), then to a mani- fold valve that serves to evenly distribute an equal flow through the lines and finally to the injection nozzles. How Does Fuel Injection Work? There are three main parts to a fuel injection system-the fuel injectors, a set of sensors and an ECU. We flow test and match nozzles and flow entire mechanical fuel injection systems to find the optimal tuneup for your competition vehicle. Fuel injection uses a high pressure puel pump. But if the problem lies elsewhere, a new set of plugs alone won't do the trick. Fuel System Failure: The fuel system on the 6. Nitrous Oxide (NO2) is a gas that contains much more oxygen than air does on a weight by weight basis; NO2 is often used to boost the power of an engine. It functions as the air inlet, pulls fuel from the tank, allows you to throttle the engine. If you want to install or modify 1985-1992 General Motors Tuned Port Injection (TPI) systems for hi-performance, this is the book to read! Covering a wide range of powerplants, from the 1955 small-block Chevy to the latest high-tech, modern small-blocks, this how-to book is for street enthusiasts, hot rodders, show car builders, or anyone looking for ways to extract the most performance out of. It features coil on plug technology and throttle body injectors along with a rear mounted 40A alternator. Arduino based engine management (Fuel and ignition) So for a while I've been putting together a project for a DIY engine management system (EMS) designed to help people understand the concepts in these 'black boxes'. Slip on aren't that expensive and you can even find some good used ones on ebay or craig's list. I selected the Dobeck Performance EJK GEN 3. Our racecar engines are 16/1 compression and 410 cubic in. How to build Max-Performance Chevy LT1/LT4 Engines highlights the 92-97 GM LT engine and how to extract permormance from it at any level for street, strip, or track. The standard GM Tuned Port Injection systems we offer are 1990 / 92 Speed Density Systems. Then the self tuning pro - gramming will fine tune the MAP to produce optimum power and performance. 7:1 generally produces peak full-throttle performance while a ratio of 14. While asking around at Ford about the new engine’s performance, we learned that there is more to the Gen 3 Coyote than the addition of direct injection to a port-injected 5. We all know that correct calibration of the Fuel System, relative to current atmospheric conditions, is critically. Getting The Basics. The Go EFI 4 Self Tuning Fuel Injection is rated at 600 HP but is suitable for engines from 250 HP thru 600 HP. This paper I not intended as an exhaustive study of tuning or the tools used to perform the tune, but as a aid to those wishing to go further with their knowledge of our fuel injection system. I have a 2009 Cadillac CTS with a 3. Changing the size of the main bypass jet is one way to tune a mechanical fuel injection setup, as a bigger jet leans the engine while a smaller jet richens the engine. If you are not proficient in Fuel Injection System and evaluating engine performance then it is best to gain these experiences with gasoline first. The Hyper Methanol Fuel injection System produced at least 10 more horsepower throughout the entire power band over stock injectors on gasoline using a stock engine, and more gains are achievable using a modified engine. Gen II, Gen III and GenIV small block V8 applications - Throttle Body, Tuned Port, LT-1, LS-1 and Ls-x Vortec Fuel Injected engines, including LS2, LS6 5. Since electronic fuel injection (EFI) appeared on Harley-Davidson baggers in 1995, for many of us, the thought of a computer replacing the carburetor's gas and air mixing duties has been a difficult proposition. ) Most of the readily available carburetors are set up for a 340- to 360-ci engine from the manufacturer, but bigger cams, better heads, or more cubic inches can require adjustment. Fuel injection uses a high pressure puel pump. It is highly recommended NOT to change this until the ECU is allowed to perform self-tuning. Fuel System The bike is fuel injected, with an automatic choke. While the fuel might be better atomized and metered to suit the engines requirements at any given time, it is still subjected to the well known inconsistencies and. How would you scientifically go about tuning a 2-stroke to run perfect? 4-stroke bikes a fairly easy when you have a Air Fuel Ratio Meter, but Ive heard that 2-stroke engines are hard on the o2 sensor. The Wynns Fuel Injection & Carburettor Cleaner is a cleaning product in an aerosol designed to eliminate dirt and deposits in the air intake manifold, the throttle valve and on the visible carburettor parts. Cleaning and Maintaining Clean Fuel Injectors. OHC 4v engines like Ford’s aren’t too different from a hemi chamber in that they have poor quench and in combination with a big port don’t keep fuel mixed particularly well when the air and piston is moving slow which is part of the reason those engines have a reputation for being soggy on the bottom end compared to say GM’s LS engine. 4 to 1 depending on the cooling system and the tuner’s experience. Mk2 TR6 Electronic Fuel Injection Conversion History: After a number of problems with the lucas mechanical injection system whilst touring in the TR6, the Mk1 conversion was developed to overcome these short comings. Often overlooked, doing this little procedure (that you can do yourself and only costs a few dollars) can do magic on any throttle body engine that is running rough, idling poorly and hesitating. i have a 89 iroc camaro 5. Because the sequential injection is killing the misfiring cylinder’s fuel delivery and no fuel is being burned in that particular cylinder, the total amount of exhaust emissions are not being raised considerably even though the engine is misfiring. Start the engine and allow it to reach normal operating temperature (180°). Descriptions of the carburetor or fuel injection systems and other procedures can be found in Fuel System in this repair guide. com in 2007. 5” minimum height clearance required • 1000cfm kits feature a Billet 2Bbl. So that by and large the more the driver opened the throttle, the more fuel was injected into the engine. 3:1 air/fuel ratio at peak torque between 5,200 and 6,500 rpm, but then it started to lean out at 6,700 rpm and continued to lean out to 12:0:1 AFR between 7,000 and 7,700 rpm. MegaSquirt works on a number of levels to inject the correct amount of fuel into your engine. Perfect Power is a sophisticated brand of German engineered ECU's (Engine Control Units), integrated into your vehicle's engine management system. Indian / Victory; Wideband CX; Off-Road EFI products. Your FICM is completely gone through and all deficits are corrected and our update is performed on every unit received. Bosch Fuel Injection and Engine Management: How to Understand, Service and Modify [C Probst] on Amazon. Whether you’re maintaining your mid-year Corvette or completing a full restoration, our selection of C2 Corvette Engine parts is unsurpassed. com if you are wondering. Holley offers a variety of fuel pumps, hoses and. Re: How do you TUNE a Fuel Injected 280Z engine? The only tuning that can be done on the factory EFI systems is cleaning and maintenance, outside of the TPS which can be adjusted (3 basic positions) and setting timing on the distributor. On the return you'd put your fuel regulator, then return line into the surge tank, and run an overflow from surge back into the fuel tank. This page is dedicated to the owners of these vehicles equipped with GM's dual point fuel injection (model 220 TBI). I got the car running first on the crank-fired ignition to make it easier to debug one specific thing at a time. Jeff Hartman is the author of How to Tune and Modify Engine Management Systems, Fuel Injection: Installation, Performance, Tuning, Modification, and the Turbocharging Performance Handbook, all from Motorbooks. Engine tuning is the adjustment or modification of the internal combustion engine or Engine Control Unit (ECU) to yield optimal performance and increase the engine's power output, economy, or durability. The manufacturer of an engine does recommend certain timing, which is the timing they set it at when the engine is first made. EFI controllers available for ATV, UTV, motorcycles, dirt bikes, watercraft, snowmobiles,. Then you can also add additional parameters such as intake air temp, egt, maf, etc. The book starts out with plenty of foundational topics on wiring, fuel systems, sensors, different types of ignition systems, and other topics to help ensure the reader understands how EFI Systems work. Here, we are going to consider the different aspects of tuning an engine for competition, as in race/performance tuning. FAST's EZ-EFI Self-Tuning Fuel Injection Kits are the worlds simplest fuel injection system on the market today. The Y body Corvette always had the 5. Continental Motors technical publication library has moved to Aircraft Technical Publishers (ATP). 64 psi boost and the fuel amount is 29. Even these fuel injection units have advanced from when they were first introduced twenty years ago. fast 301007 efi xfi engine control unit traction control internal data logging. For that reason I am going to draw heavily on the experiences of ace fuel injection tuner Scott Clark. Improper installation will cause the engine to run poorly, or not at all. Granted, the more complex a system, the more things that can go wrong. As the N54 and N55 are fairly similar the port fuel injection kit was retrofitted to a 2011 E90 335i N55. According to the plugs, the a/f ratio is real good. It doesn't have to be. Adding shims will make the check valve open at a higher RPM. Streamlined and simplified so you can spend your time riding, insteadRead More. 5 pounds of fuel per horsepower per hour (lb/hr). Granted, the more complex a system, the more things that can go wrong. The next generation of the world’s simplest self-tuning fuel injection system is here. This shows the fuel cut rev limiter set at 8500 rpm, again to protect the engine. (The Appendix discusses Holley and AFB/Carter carb tuning. Diesel Engine Troubleshooting Procedure, Mitchell 1 DIY. This is done either in the engine or in the main bypass. 5:1 it's just too rich. Many variables also affect what the 'best' timing is. While the fuel might be better atomized and metered to suit the engines requirements at any given time, it is still subjected to the well known inconsistencies and. It's no joke that parts are hard as hell to find for a chevy 250 when it comes to performance. How to Understand, Service and Modify Bosch Fuel Injection & Engine Management Rating Required Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name. Electronic Fuel Injection (EFI) controllers for a number of powersport vehicles. To do so you need to go to Go EFI Tuning, then find and select Idle Control. This intake manifold is found ahead of the cylinders in most fuel injected engines. OCCASIONALLY, SOMEONE — USUALLY A NON-biker — comes up to my dyno and asks, "What exactly do you do with the motorcycles here?". Air Fuel Ratios and Stoichiometry. “This year’s giveaway car was a ’61 Fuelie roadster with a 4-speed…While it was not a matching number car, the fuel injection unit had been gone through by the Pharaoh of Fuelies, Jack Podell. 64 psi boost and the fuel amount is 29. Hartman lives in Austin, Texas. There’s no denying that a well-tuned fuel injection will perform better than a carb, but there’s still a stigma left by some of the early aftermarket kits that left a whole lot to be desired. 8L Turbo-Diesel 4-cylinder engine. Calculators Cylinder Heads. For that reason I am going to draw heavily on the experiences of ace fuel injection tuner Scott Clark. Injector tuning was developed by DTE, especially for use in the truck, tractor and bakkie/SUV segment and is more advanced than our normal sensor tuning systems. We recommend about 1 ounce/gallon Gumout Multi-System Tune-Up to treat fuel for any seasonal or marine engine whenever it may need to be stored or when it may need the fuel system cleaned up. RON'S Fuel Injection Systems relies on our partners in the racing community. Fuel Injection Systems. At light loads, lean air/fuel ratios are used, while when the engine is required to develop substantial power, richer (ie lower number) air/fuel ratios are used. When choosing to upgrade your engine to modern fuel injection, look no further than Edelbrock's Pro-Flo 4 EFI systems. Power / Torque Power and torque allow the user to see the current power/torque output of the engine – these values are not as precise as a dyno session, but are pretty close and fun to view. Having been fortunate enough to spend days at a time with this talented engine tuner I’ve learned about some EFI power moves that might have otherwise taken several years to discover. This stout engine is capable of thumping out OVER 50 HP and 50 FT*LBS TORQUE in stock trim and propels the RZR with authority!. Calculators Cylinder Heads. From electronic ignition to electronic fuel injection, slipper clutches to traction control, today's motorcycles are made up of much more than an engine. The Land Rover 200Tdi & 300Tdi engines of the late ‘80s to late ‘90s utilise the Robert Bosch VE-type diesel injection pump. Where economy is concerned, you are looking to use all of the fuel injected by having an excess of air. Installation: You can now double check all of the electrical and fuel connections and get ready to start the engine. For details, please refer to Fuel System in this repair guide. In a more complex mechanical fuel injection system with more than one bypass or enrichment nozzle, an air to fuel ratio of each segment of the fuel curve can be determined. I got the car running first on the crank-fired ignition to make it easier to debug one specific thing at a time. CB Performance has a great selection of Fuel Injection Systems, Digital EFI Systems and Turbos Engine Kits Engine Tuning. Techtonics Tuning : Fuel Injection - VW Audi Tools Others VW, Volkswagen, Audi, watercooled, exhaust, performance, parts, Mk1, Mk2, Mk3, Mk4, Mk5, Mk6, Passat. C6 C7 Corvette: How to Replace the Fuel Filter Fuel filters on the C6 and C7 can be serviced, but it is not a job for the novice mechanic to take lightly. Fuel Injection Repair Manuals & GuidesPlus Nitrous-Oxide Systems, Turbo, Supercharging If you own a fuel injected engine and are looking for ways to save on maintenance and repairs, the Fuel Injection Repair Manuals and Guides available at The Motor Bookstore will show you how to do it yourself. This Bosch Bible fully explains the theory, troubleshooting, and service of all Bosch systems from D-Jetronic through the latest Motronics. 5 pounds of fuel per horsepower per hour (lb/hr). These systems will fit both new and old style heads, but the heads must be specified at the time of purchase. DUI computer controlled HEI ignition distributor automatically optimizes spark, and adjusts for fuel quality. The introduction of a high speed (High RPM) valve will usually be necessary to curve the fuel pressure down to keep the pump from overcoming the engine's ability to cope with the high fuel pressure load. The Go EFI 4 Self Tuning Fuel Injection is rated at 600 HP but is suitable for engines from 250 HP thru 600 HP. Fortunately, all of what you may know from tuning carburetors is also applicable to fuel injection. Stock fuel injectors can deliver the right amount of fuel to a stock engine. This fuel tuner is capable to remap the lean factory fuel programming restrictions implemented due to multiple requirements which manufacturers have to comply with nowadays. Motorcycle parts, exhausts, tires, helmets, handlebars, lights, saddlebags, accessories, and gear with best customer service, fast shipping and 120-day returns. Like all diesel engines, the purpose of the injection pump is to deliver a precisely-metered charge of diesel fuel to each cylinder injector, in the firing order of the engine. This Bosch Bible fully explains the theory, troubleshooting, and service of all Bosch systems from D-Jetronic through the latest Motronics. Fuel injection, on the other hand, is a much more advanced method of introducing the fuel into the engine. MegaSquirt works on a number of levels to inject the correct amount of fuel into your engine. For more boat repair & maintenance, also find a huge selection of marine supplies, boat motor manuals & repair books, a discussion forum & marine engine classified ads. Attached to the front of the plenum is the dual inlet throttle body and MAF sensor, connected to the front mounted air cleaner housing. Buy Bosch Fuel Injection & Engine Management : Theory of Operation, Troubleshooting and Service Using Common Tools and Equipment, High Performance Tuning, How to Identify Your Bosch System at Walmart. I need to stress this point: You will not tune a car correctly if you do not use the crosshairs!!!!! The more accurate the engine management system the more accurate the tuning tools must become. For details, please refer to Fuel System in this repair guide. Adding shims will make the check valve open at a higher RPM. With the MD-1750 Mustang Dynamometer, we offer the latest and most precise technology on the market. 0 Self Tuning Fuel Injection. Check the fuel pressure regulator, the injectors, and the hoses to see if any fuel is leaking into the cylinders. The S&S Variable Fuel Injection (VFI) module provides the ability to tune the fuel injection and ignition systems to maximize the performance of any fuel injected engine. 8 Litre, I would not choose or recommend any other 'medium priced' carburettor option for the non-injected Rover V8 Engine as a result of our continuing satisfaction with the Weber 500 carburettor system. Meanwhile, an industry exclusive and unique-to-FAST™ integrated fuel pulse damper creates ultra-precise fuel control. +1 for no carb. Adding Chevrolets Tuned Port (Electronic) Fuel Injection system to the Small Block Chevrolet used in your Street Rod, Street Machine, Kit Car or daily driver will improve its driveability, performance, and fuel efficiency, in addition to giving the engine compartment a clean, "High-Tech" look. The test ride: Whoa!!! This fuel starved, EPA compliant, oversized lawn mower engine was awakened. The bypass pill controls the volume of fuel returned. 0l V6, refer to John Parkinson's three- part series for the Mitsubishi 4WD Owner's Club of Queensland: Pajero V6 Fuel-Injection Systems. Fuel System Failure: The fuel system on the 6. 1) remove the inner engine cover and remove the intake manifold. Each injector is opened by a signal from the ECM. This injection is an ideal choice for A class and Restrictor class as well as a competitive option for Outlaw and U6SA or an upgrade to your existing injection. 00 (stoich). If you have any questions about the V-8 conversion process in general, need further information relative to your specific application, or require more particulars about such things as the use of a Corvette/Camaro Tuned Port Fuel Injected engine or a TH-700-R4/4L60 automatic overdrive transmission with your conversion, please feel free to call. I've figured out by asking people, how to set the barrel valve, high-speed bypass, and I understand that It's a constant flow system, metered on the return by. I am the original author of this guide on www. Owners may drive their car with a laptop hooked up to the E. Read all about the great electric fuel injection options and tips available and how to tune and setup your EFI engine accordingly from FAST. From what i understand, all things being equal (manifold style, etc) carbs make more HP over even electronic fuel injection, -if it's tuned to the gnat's ass. Designed for all applications making up to 650 horsepower, FASTTM EZ-EFI® Fuel features a new die cast and black powdercoated, four-injector throttle body with integrated fuel rails. Chevrolet first printed "Form 1514C, Fuel Injection Specifications" in July of 1965 to document tuning info for all the FI model series from 1957 through 1965. The tuning part or the process used to achieve a goal is up to the individual tuner. Get the most from your Fuel Injected Motorcycle High performance chassis dynamometers, fuel and ignition products for powersports and automotive applications. com: Bosch Fuel Injection and Engine Management: How to Understand, Service and Modify (9780837603001) by C Probst and a great selection of similar New, Used and Collectible Books available now at great prices. All the user needs to do is to input the engine displacement and the fuel injector size (via ProCAL tuning software). Check out my Vortec 8100 Swap. In a more complex mechanical fuel injection system with more than one bypass or enrichment nozzle, an air to fuel ratio of each segment of the fuel curve can be determined. If the engine still won't turn over, it's time to trouble-shoot other parts of the fuel injection system. Fuel Systems. Embrace Possibility. Pace Performance » FiTech Fuel Injection.