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 ...

This is the twin TBI setup attached to the top of the new cross-ram manifold. Note that fuel enters the left TBI unit first and then on to the right unit before being returned to the tank. Although ...

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 ...

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 ...

What Is F-150 Throttle Body Cleaning? Throttle body cleaning is a form of fuel injection maintenance that can help improve the performance of your F-150's engine once your truck has been driven 75,000 ...

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, ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

A classic car is more than a way to get from A to B. It is a rolling time capsule, and few parts define its character as strongly as the way it breathes and burns fuel. The argument over whether a ...

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 ...