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Edelbrock (3220): Pro-Flo 3 EFI for 1986-and-Earlier Small-Block Chevy with Standard Heads

The Satin-finished, sequential-port 3220 Pro-Flo 3 EFI system from Edelbrock gives you the performance and look of true fuel injection without the complexity of tuning calibrations and related tables.

The key to the system is the free E-Tuner Android app that uses a Bluetooth connection to communicate with the ECU to continually adjust calibration for maximum performance—no laptop required. The E-Tuner app also contains dyno-tuned base calibrations for your specific application to simplify getting up to speed. Plus, it allows you to control both fuel and spark without pulling over. You’ll enjoy comprehensive control of your system while driving, with the ability to adjust air-fuel ratio, ignition curve, idle speed, acceleration fuel, coolant fans, rev limiter, and more! Includes 7” tablet.

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