The key ingredient to maximizing the peak performance of a diesel engine is increasing the amount of diesel being burned. On old mechanical-injection engines, the only way to do this was to modify the ...

Fuel delivery is essential to making an engine run. It doesn’t matter if you’re trying to breathe new life into a carbureted big block or get the lawn equipment moving, the engine needs a steady ...

The Porsche 911 Twin Turbo and Toyota Supra Twin Turbo both have 'em. Yes, they both have turbos. They also have bulletproof fuel pumps. Obviously, each of these cars make 2-3 times more power than ...

Electronic fuel injection is older than you think, the earliest example being the failed Bendix Electrojector system from 1957. Bosch bought the rights to the Eletrojector system and developed it into ...

Gregg Petersen's Hilborn-injected Chevette. The first thing you should understand is that direct-port, constant-flow fuel-injection—Hilborns, En-derles, Crowers, whatever—were never designed, nor ...

Long before electronic fuel injection or even performance Holley carburetors, high-end racers operating primarily at wide-open throttle used a purely mechanical, constant-flow fuel-injection system ...

Starting in 2011, Ford and General Motors began using Bosch Mobility CP4 pumps to provide high pressure fuel to their diesel engines. GM used the pump on its 6.6-liter LGH and LML Duramax diesel ...

Whether you're looking to replace an aging fuel pump or simply interested in an upgrade, here are five top options. If engine oil is the lifeline of your engine, then fuel is its source of food. In ...

Anyone who has gone to school to learn how to repair engines of all types, such as myself, will have learned the fundamentals of how they work. It's crucial for troubleshooting and diagnosing engine ...