The controversy between carburetors and EFI has always been about complexity and price. Carburetors are simple—EFI is not. Carburetors are cheap—or at least cheaper than EFI. Those points have not ...

We're going to give you three words that strike fear into the hearts of many hot rodders, even more so than "wiring" or "upholstery." Electronic fuel injection. There, we said it! But the simple fact ...

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 ...

We ditch our archaic '80s-era throttle body injection for a more capable EFI system that'll make the most of our engine. Ok. Let's start by stating the obvious … fuel injection has a come a long way ...