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EFI Technology
EFI Technology is a fuel-injection company that has long been noted for its commitment to quality and customer support. Their systems can be found on racecars all throughout the upper echelons of professional auto racing, in classes such as Championship Auto Racing Teams (CART), Indy Racing League (IRL), Indy Lights, American LeMans Series (ALMS), World Challenge, and many others.
EFI Technology is known as a leader in the fuel-injection industry, serving many professional race teams in all venues of auto racing. They have a well-deserved reputation as being one of the best.
The company was started in 1986 by Graham Western, and has since remained an American-owned-and-operated business. Graham started working on some of the earliest digital fuel-injection systems just shortly after graduating college with a degree in electronic engineering. These systems were developed for use on Cosworth racing engines. Before long, nearly every professional race team was using some derivative of the Cosworth system that he helped produce. When Graham felt the need to grow and spread his wings, he started EFI Technology and has never looked back.
Currently the company employs about twenty people in their workshop in southern California. With virtually no advertising other than word of mouth, their fuel-injection systems have made their way into the winner’s circle time and again. They are one of the only fuel-injection companies who perform every aspect of production and design in-house. Everything from assembling the circuit boards, to building the wire harness is done in their shop!
With virtually no advertising other than word of mouth, EFI Technology has made their way into the winner’s circle time and again. They are one of the only fuel-injection companies who perform every aspect of production and design in-house. Everything from assembling the circuit boards (as shown here), to building the wire harness is done in their shop!
Their biggest customer is presently the world’s most prolific tuner of Japanese engines: Mugen. EFI Technology supplies nearly 25 percent of its ECUs to the Japanese firm.
EFI Technology offers several models of their ECU ranging from the very cost-effective 1.0 model, which is geared toward the racer with cost effectiveness and compact size in mind, all the way up to the feature packed 4.0 ECU that is specifically designed to meet the stringent standards and needs of professional race teams. They also offer a comprehensive line of CDI (capacitive discharge ignition) systems, which are designed to interface with any of their ECUs or be used as stand-alone ignition amplifiers.
EFI Technology is a fuel-injection company that has long been noted for its commitment to quality and customer support. Their systems can be found on race cars all throughout the upper echelons of professional auto racing in categories such as CART, IRL, Indy Lights, ALMS, World Challenge, and many others. This is a look at the EFI Technology ECU that gets the job done.
All EFI Technology ECUs use the same control and calibration software. This makes it very easy to take advantages of the built-in features that exist in even the more cost-effective EFI Technology ECUs. Basically, whether you buy the least expensive or most highly priced ECU they offer, you’ll get the same level of product sophistication. The main differences in their ECUs are the amount of inputs and outputs the user has to work with!
ECU 1.1
The 1.1 ECU has up to four high impedance injector drivers, up to four ignition outputs, and eight analog inputs for measurement of various sensors in addition to the TPS, water temp, battery voltage, intake air temp, air box temp, oil pressure, and oxygen sensor information already being recorded and used for calibration! This unit is aimed squarely at the budget-minded racer who still wants high quality. All of the ECUs in the product line except this model come with a high-grade (expensive) military-spec connector. This unit uses a popular 36-way connector made by AMP that is used on many other brands of fuel-injection computers.
The 1.1 ECU has up to four high-impedance injector drivers, up to four ignition outputs, and eight analog inputs for measurement of various sensors. Of course, these are all in addition to the TPS, water temperature, battery voltage, intake air temp, air-box temp, oil pressure, and oxygen sensor information already being recorded and used for calibration by this little box!
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Table of Contents |
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Chap. 1 - Carburetors vs. Fuel Injection |
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Chap. 2 - The Basics of Electronics |
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Chap. 3 - Tools and Equipment |
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Chap. 4 - ECU Inputs |
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Chap. 5 - ECU Outputs |
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Chap. 6 - Tuning Maps and Basic Engine Calibration |
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Chap. 7 - ACCEL/DFI |
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Chap. 8 - AEM Plug & Play |
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Chap 9 - Autronic |
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Chap. 10 - Edelbrock Pro-Flo and Advanced Programmable Fuel-Injection Systems |
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Chap. 11 - EFI Technology |
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Chap. 12 - Eelectromotive |
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Chap. 13 - F.A.S.T |
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Chap. 14 - Haltech |
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Chap. 15 - Holley Commander 950 |
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Chap. 16 - MoTeC |
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Chap. 17 - Simple Digital Systems (SDS) |
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