Fiero Emission Control

Notice! It is a violation of U.S. Federal law to remove, modify or disable emission control devices. Some states, like California, have laws above and beyond Federal regulations. Fiero has very little in the way of emission control hardware. There is only the catalytic converter, EGR valve and a fuel vapor recovery canister. None . . . → Read More: Fiero Emission Control

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4.3L TBI Injector Flow and Factory Cam Specs

4.3L TBI Injector Flow and Factory Cam Specs

Here’s a reference chart of TBI injectors.

Flow is lb/hr @ 13psi

GM Part # Engine Flow TBI bore 5235430 2.8L 33 35mm 5235203 4.3L 45 43mm 5235279 5.0L 40 . . . → Read More: 4.3L TBI Injector Flow and Factory Cam Specs

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