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 ...

The power, fuel efficiency, and longevity of an engine will heavily depend on the fuel that’s being delivered. Furthermore, an engine’s efficiency is dependent on a precisely calculated air-to-fuel ...

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 ...

Everyone knows that electronic fuel injection is great, but messing with computers, wires, a new intake manifold, sensors, and having to program it on a laptop makes dealing with tuning a simple ...

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 ...