Power-adder Coyote fans are a happy bunch. The free-breathing V-8 eagerly responds to power inducements, and enjoys well-engineered cooling and fuel systems. Up to the octane limits of pump ...

Fiddle around with cars long enough and you’ll realize two things: first, anything beyond the simplest repairs will probably require some kind of specialized tool, and second, those tools can be ...

Diesel injector issues can cause rough idling, power loss, and costly engine damage if ignored. Learning to test and diagnose them yourself can save time and money. From simple listening checks to ...

Intake air and fueling are the primary components of the diesel performance formula. And, in theory, the more there is of each, the better a diesel engine will perform—provided the air and fuel are ...

Fuel injectors are vital for delivering precise fuel to your engine, but over time, they can clog with carbon deposits, reducing performance and efficiency. Regular inspection, proper fuel quality, ...

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 ...