Holley is no stranger to delivering fuel to an internal combustion engine. Holley has been designing and building fuel delivery hardware since 1903 when Henry Ford himself asked the Holley brothers to ...

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 previous story demonstrated how to install a FAST EZ-EFI 2.0 electronic fuel injection (EFI) system on a 351 Cleveland, replacing the existing four-barrel carburetor (“EZ Does It,” page 46). The ...

A huge component of performance is control. If we can more accurately control the timing of fuel and spark to the engine we will achieve a happier, more powerful engine. For older muscle cars, this ...