There is also an auxiliary injector driver that expands the ecus capability to control an additional eight. Tuning fuel injection with airfuel ratio and lambda by jennifer szabo october 02, 2018 for best performance, tuning of a racing engine involves fuel mixture control due to atmospheric air density changes and engine setup changes. Jeff hartman is the author of how to tune and modify engine management systems, fuel injection. Learn the fundamental principles behind engine operation, ecu operation, and how to tune fuel and ignition timing.
Cartech book designing and tuning highperformance fuel. This article is intended for those people who have had little experience with electronic fuel injection and would like to have a handle on the basics. A practical guide to modifying and tuning modern electronic fuel injection efi systems, including engine control units ecus. This book provides indepth explanations of fuel injection tuning by one of the industrys most wellknown and wellrespected tuners. So youve decided that fuel injection is for you, but want to know more.
It covers factory and aftermarket fuel injection systems, open and closed loop efi, tuning, and more. The book then takes an in depth look at fuel injection, ignition, boost control and water injection from the point of view of the electronic tuner. The system is composed by the fuel tank, the pipes, one or more fuel filters, a fuel pump that could be mechanical or electric and the fuel metering components such as the carburetor or fuel injection system. Explaining the effects of weather on mechanical fuel injection this article discusses how weather variables affect engine tuning. Youll need to set yourself apart from all the noise if you want to get noticed. Elevation changes and how they affect engine tuning this article discusses how elevation changes affect engine tuning. Petrol engines can use gasoline direct injection, where the fuel is directly delivered into the combustion chamber, or indirect injection where the fuel is. Performance fuel injection systems hp1557 by matt cramer. Wideband 02 gauges help with tuning and monitoring the engines airtofuel ratio. How to tune and modify motorcycle engine management. If you want to add one of the slick holley, accel, or edelbrock fuelinjection systems to your smallblock v8, or if you want to get rid of the black cloud behind your eclipse after your injector and 20g swap, you need this book. Choose from larger fuel injectors, fuel rails, fuel injection controllers, mass air meters, bigger throttle bodies, complete fuel injection kits and more from leading fuel injection leaders.
Efi setup tips from fast chevy high performance magazine. It is a musthave for tuners and calibrators and a valuable resource for anyone who wants to make horsepower with a fuelinjected, electronically controlled engine. If you want to add one of the slick holley, accel, or edelbrock fuelinjection systems to your smallblock v8, or if you want to get rid of the black cloud behind your. Jegs has a large selection of high performance and replacement fuel injection parts to increase horsepower or just get you back on the road. Efielectronic fuel injection systems at summit racing. Jennifer is a professional web developer and the daughter of drag racer, bob szabo.
An early form of fuel injection is central port injection. And we didnt stop with fuel tuning like most books seem to do, but in great detail describe the process of how to properly tune ignition advance at all loads and engine speeds, regardless of the fuel you are running. Designing and tuning highperformance fuel injection systems. Datalogging of the engine sensor data during a wide open throttle run reveals the actual air consumption.
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. Following up his bestselling title, engine management. How to design, build, modify, and tune efi and ecu systems. Weather and engine tuning articles air density online. Piggyback ecu pros and cons fail safe airfuel gauge an engine life saver. We can all find small articles and buy many thick books but until now there has been no one stop online site for eec questions. Advanced tuning takes enginetuning techniques to the next level. Dynojet started selling replacement jet kits for carbs, and quickly saw the way the world was going in the late 1990sswitching to fuel injection tuning. A mechanical fuel injection system from hilborn includes the manifold, nozzles, barrel valve, and hoses. Fuel injection systems 4barrel spread bore throttle body.
Maximize the power, efficiency, and performance of your engine with a new electronic fuel injection system right for your application. 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 most highly attended class we offer is called efi 101. Again we went at this from a practical, whatyouneedtoknow angle. Fuel injection is the introduction of fuel in an internal combustion engine, most commonly automotive engines, by the means of an injector. Buy designing and tuning highperformance fuel injection systems by greg banish isbn. Bob szabo is a retired welding engineer, longtime drag racer, and author of 6 books about racing mechanical fuel injection at. Fuel injection tuning is the safest and most reliable way to gain more horsepower in your engine.
Many questions surround what appears to many as more of a black art than science. Jul 31, 2018 jennifer is a professional web developer and the daughter of drag racer, bob szabo. Bob has decades of experience in the automotive industry and as a drag racer. Engine tuning used to be the hallowed ground of vehicle engineers and. If you want to add one of the slick holley, accel, or edelbrock fuel injection systems to your smallblock v8, or if you want to get rid of the black cloud behind your eclipse after your injector and 20g swap, you need this book.
Purchase efi tuning fundamentals course and see more information. In a more complex mechanical fuel injection system with more than one bypass or enrichment nozzle, an air to fuel ratio of. Have a thorough base of all the things associated with engines and cars, before trying out anything because a badly remapped ecu means risking the engi. Advanced tuning, author greg banish goes indepth on the combustion basics of fuel injection as well as benefits and limitations of standalone. Tuning engines can be a mysterious art, all engines need a precise balance of fuel, air, and timing in order to reach their true performance potential. Jan 30, 2018 jennifer is a professional web developer and the daughter of drag racer, bob szabo. Earning a high performance engine tuner certification through efi university is the perfect way to do that. With information in this book, youll never have to wonder if your tune is just right youll know it.
Designing and tuning highperformance fuel injection system by greg banish and performance fuel injection systems hp1557. 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. Designing and tuning highperformance fuel injection. The bosch d jetronic analog system was widely used by volvo and vw. Fuel injection and engine management book corvette central. Following up his bestselling title,engine management. Efi as applied to automobiles in mass production use was first introduced in the late 1960s. How to start from scratch to learn about remapping the ecu in. From electronic ignition to electronic fuel injection or from slipper clutches to traction control, todays motorcyles are made up of much more than the engine, frame, and two wheels. We carry many efi systemsmany selftuning and selflearningfrom the top players in engine performance, including msd ignition, edelbrock, holley, fast, accel, chevrolet performance, quick fuel, and more. The book begins with an introduction to electronic engine tuning and covers the tools necessary for electronic tuning, the software required and other basics. The system is preprogrammed to achieve target air fuel ratios of.
High horsepower tuning for mechancial fuel injection. What you need to know about mechanical fuel injection. Start by learning about a car first before proceeding to things like remapping the ecu in them. Efi 101 is a 2day class and focuses mainly on classroom discussions with a general overview of the basic functions and theory involved in controlling an engine using electronic fuel injection. To complete the system, you will need ram tubes, fuel pump, fuel filter, fuel shutoff valve and, possibly, a hispeed bypass valve. Learn useful formulas, ve equation and airflow estimation, and more. Fuel injection repair manuals and guides the motor bookstore. The main jet, housed in the primary bypass valve, is also included along with 2 additional jets, or pills. Leader in the pioneering and implementation of fuel injection systems mechanical fuel injection 866 4646553 electronic fuel injection 215 6434607 home about hilborn. About performance fuel injection systems hp1557 a practical guide to modifying and tuning modern electronic fuel injection efi systems, including engine control units ecus. Holley sniper 550868k holley sniper efi quadrajet selftuning fuel injection systems compare fuel injection system, sniper quadrajet, inline fuel pump, selftuning, touch screen, wiring, hardware, black ceramic, quadrjet, kit.
In a simple mechanical fuel injection system, the air to fuel ratio of a tuneup is a phenomenal measurement of that tuneup. All modern vehicles are produced with fuel injection. Piggyback ecu pros and cons fail safe air fuel gauge an engine life saver. Notice how this naturally aspirated engine develops approximately 86% engine load at wot. Gain fundamental knowledge and then a practical step by step process for getting any tuning job done. The system is preprogrammed to achieve target airfuel ratios of. Fundamentals of high performance engine tuning using aftermarket electronic fuel injection. Performance fuel injection systems is not a megasquirtspecific book but does speak from our experience. The most highly attended class we offer is called efi 101 efi 101 is a 2day class and focuses mainly on classroom discussions with a general overview of the basic functions and theory involved in controlling an engine using electronic fuel injection. Apr 01, 2010 for instance, if an engine needs 10 percent more fuel at a certain rpm, it changes the map instantaneously.
We can all find small articles and buy many thick books but until now there has. This book explains how the efi system determines engine operation and how the calibrator can change the controlling parameters to optimize actual engine performance. What are some good books on tuning engines for performance. It is written specifically for megasquirt or megasquirtii efi users who are new to tuning engine with a programmable controller, and tries to make very few assumptions about what you already know. Knowledge is power and whether you are tuning your car yourself, wanting to start a career as a professional tuner or even if you are just wanting to choose and communicate. Designing and tuning highperformance fuel injection systems banish, greg on. The most popular fuel injection tuning aid, by far, is dynojets power commander. Engine tuning is the adjustment or modification of the internal combustion engine or engine control unit ecu to yield optimal performance and increase the engines power output, economy, or durability.
Holley sniper 550868k holley sniper efi quadrajet self tuning fuel injection systems compare fuel injection system, sniper quadrajet, inline fuel pump, self tuning, touch screen, wiring, hardware, black ceramic, quadrjet, kit. Learn how to tune efi electronic fuel injected engines the right way. Many of the tuning software screenshots and other referencesimages will be highly recommended for anyone diving into a megasquirt project, and highly educational for someone diving into any efi project. Appendix 1a fi engine specs 410 ci methanol v8 114. 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. Dynojets not the only firm offering a fuel injection tuning box. Oct 29, 2008 wideband 02 gauges help with tuning and monitoring the engine s airto fuel ratio. The fuel delivery system is responsible for fuel delivering at the engine. Fuel injection tuning fuel management super streetbike. This air consumption is used by the pcm to calculate engine load. For instance, if an engine needs 10 percent more fuel at a certain rpm, it changes the map instantaneously. Bob is a retired welding engineer and author of 6 books about mechanical fuel injection engine tuning at. Bob and jennifer maintain a blog at their websites in addition to cowriting articles for various auto industry resources.
Installation, performance, tuning, modification, and the turbocharging performance handbook, all from motorbooks. Everyday low prices and free delivery on eligible orders. Designing and tuning highperformance fuelinjection systems is the book you need to become an expert in this popular modification. Efi electronic basics efi 101, a good place to start.