What Is the Function of a Holley TBI Fuel Injection Kit?


Quick Answer

A Holley throttle body injection, or TBI, kit is a direct replacement for a carburetor. Its plug-and-play connectors make installation easy. It also has a fully self-tuning engine-control unit that does not require a laptop.

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Full Answer

Each fuel injection kit comes complete with all hardware to retrofit the extensible firmware interface on non-EFI vehicles, including fuel pumps. It has dedicated fuel and oil pressure inputs, as well as sensors that are integrated into the throttle body and prewired for simple assembly. Once installed, the Holley TBI injection kit tunes itself when the engine starts up. It comes with the optional function of computer-controlled ignition timing, which enhances the functionality of a standard carburetor.

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