High-output electric fuel pumps are necessary when fuel delivery becomes critical to engine life or performance, as in high-horsepower or nitrous-injected applications. We visited Mark Hamilton at M.A ...

Self-learning electronic fuel injection (EFI) systems have made converting to fuel injection far less painful. This has removed complicated EFI tuning as an excuse not to convert. But a far less ...

Fuel delivery technology has come a long way in the past few decades. Yesterday's carburetors can't hold a candle to modern EFI systems in terms of driveability, economy and reliability. Changing ...

One of the most popular and best electric fuel pumps currently being used by both street performance enthusiasts and racers is the Holley GPH-110. This pump is offered in two versions, the only ...