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Edelbrock Pro-Flo and Advanced Programmable Fuel-Injection Systems
Edelbrock has been around since the 1950s and has continuously been a leader in performance technology and parts manufacturing. Edelbrock has also entered the fuel-injection arena with its new Pro-Flo multi-port fuel-injection system. This has been a great selling system that has worked well for them, but now they have really taken things to the next level with their new Advanced Programmable Fuel-Injection System for small- and big-block Chevrolet engines. It will be available in the spring of 2004.
Edelbrock was one of the first companies to offer complete fuel-injection kits for Chevy engines that included every part needed for installation, including the intake manifold and fuel system. They also allow the user the ability to tune without a laptop computer. Edelbrock’s latest offerings from MotoTron look to hold great things for the future of Edelbrock fuel injection.
Pro-Flo
Edelbrock currently makes two models of their Pro-Flo system: the Performer, and the Performer RPM. They offer complete kits for big- and small-block Chevy and Ford engines, and kits for Chrysler engines are almost ready for release. The Pro-Flo kits are designed for non-emission engines, and include everything you need to convert a carbureted engine to powerful multi-point fuel injection.
Using a speed-density system for control over fuel and spark, Edelbrock EFI systems give you total engine control — without a laptop computer. The result is excellent throttle response throughout the RPM range, great fuel economy, incredible horsepower, smooth engine operation, and improved cold starting. Using speed and density also simplifies the installation by deleting all of the necessary plumbing and bracketry used in a mass airflow system.
Edelbrock currently makes two models of their Pro-Flo system: the Performer and the Performer RPM. Their current offerings suit the entire Chevrolet line of big- and small-block engines and Ford small-block engines with some Chrysler applications coming soon!
All of their manifold assemblies, air valves, and electronics for the Pro-Flo system are built by Magneti Marelli Powertrain USA, a major QS9000-certified OEM supplier. Components are matched and tested as a set, and then serial numbers are added for quality control.
Edelbrock Pro-Flo EFI systems use an exclusive digital Calibration Module. This user-friendly computer allows you to make adjustments at any time right from the driver’s seat. You have complete control of the fuel curve, spark advance, and idle speed without a laptop computer. In fact, the fuel and spark curves are infinitely adjustable using a three-dimensional look-up table, with millions of combinations available.
All of Edelbrock’s manifold assemblies, air valves, and electronics are built by Magneti Marelli Powertrain USA, a major QS9000-certified OEM supplier. Components are matched and tested as a set, and then serial numbers are added for quality control.
Edelbrock EFI systems are shipped without the calibration chip that is necessary to operate the ECU. If the cam is any brand other than Edelbrock, check with manufacturer for compatibility with EFI (lobe separation angle must be at least 112° or cam must maintain at least 10 inches of manifold vacuum @ 1,000 rpm). Then, fill out the camshaft specs on the provided postage-paid card and Edelbrock will send you the appropriate chip, free of charge, via second-day air (US only).
The chip installs into the system computer in minutes. Additional chips are available for a nominal charge if you decide to change your cam. Edelbrock has chips for most cam profiles. This system allows you to get the engine up and running very quickly, and normally it will need only a very small amount of tuning — if any!
Edelbrock EFI systems are shipped without the calibration chip that is necessary to operate the ECU. The user must fill out the camshaft specs on the provided postage-paid card and Edelbrock will send the appropriate chip, free of charge, via second day air. The chip must be installed inside the ECU.
Once the engine is up and running, you can interface the ECU with the Calibration Module to make changes to the stock maps and custom tune the engine to your own liking. The hand-held module even has a set of LED lights for a visual representation of the air/fuel ratio that you can watch while tuning.
You can save your custom calibrations, including fuel and spark curves, using the Calibration Module. These calibrations can be saved in one of the three storage areas to be used at startup or selected at any time. For example, you can save separate towing, race, and economy calibrations and instantly select the appropriate one depending on the occasion. A “Restore” key allows you to go back to previous settings or use the “Baseline” function to go back to factory settings. I like this feature because in other brands of fuel-injection systems, a laptop is needed to download and upload various calibrations since the ECU only stores one at a time. This system is very simple to operate, and the display guides you through all of the different functions.
Other features include: an automatic idle RPM control, vacuum readings, built-in tachometer function, water temperature display, air temperature display, and spark timing indicated in degrees. Although the unit doesn’t have any sort of data-logging function, these live data displays will aid you in the tuning process.
The ECU is equipped with a Motorola 68HC11 microprocessor and 32 kilobytes of ROM (read-only memory). The Edelbrock System Computer is very similar to the computer used for years by General Motors in their Tuned Port Injection engines, as well as some others. It’s a well-proven system that provides the brains for the Edelbrock Pro-Flo EFI systems.
You can save your custom calibrations using the hand-held Calibration Module in one of the three storage areas to be used at start up or selected at any time. These calibrations include fuel and spark curves. For example, you can save separate towing, race, and economy calibrations and instantly select the appropriate one depending on the situation.
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| Table of Contents: |
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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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