When it comes to street performance, compromise is the name of the game. Unfortunately for enthusiasts, any real street car must walk that fine line between driveability and absolute performance.

Modern-day electronic fuel injection has been simplified to the point where it oftentimes makes little sense not to be running it. However, some are still spooked by the implied complication of the ...

Historically, increasing a 12-valve 5.9L Cummins engine’s performance with only a Bosch P7100 high-pressure injection pump (P-pump) required modifying the pump’s air-fuel control and adjusting its ...