While the LS3 would provide all the power needed for chasing parts, the one area it fell short in was appearance. What Randy wanted was high-tech performance with a vintage look and he found it with ...

The throttle body is a housing with a valve that regulates airflow into an engine’s intake manifold. The throttle body resembles the base of a carburetor, and some low-cost fuel-injection systems had ...

GM's first-generation Vortec engine was derived from its fuel-injected predecessor, the throttle-body fuel injection (TBI). Both the TBI and Vortec engines used only two injectors to supply fuel to ...

This month we wanted to test electronic fuel injection (EFI) again. But this time we wanted to use a throttle body injection (TBI) system like the ones that came stock on GM trucks for many years, ...

We may receive a commission on purchases made from links. The throttle body is a vital component of a fuel-injected internal combustion engine. It has a pivoting butterfly valve or throttle plate to ...

Holley is unquestionably moving in-to the realm of electronic fuel-injection with its surprising array of performance bolt-on, throttle body injection (TBI) units. Currently, Holley has CARB approval ...