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 always looking for ways to improve fuel economy and performance in classic Mustangs. As time goes on, the time-proven carburetor is showing us how antiquated it can be at times with rough idle, ...

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 ...

For the casual enthusiast, the romance of lifting the hood of your project car and swapping that old-fashioned carburetor for high-tech electronic fuel injection (EFI) was often shattered by the ...

Your car's throttle body is the part that connects several engine components, including the air intake and air filter. It also contains a butterfly valve that regulates how much air gets into the ...