Depending on the automotive part, air is crucial or crucially harmful. Whereas an engine needs air to function properly, the opposite is true for a car’s braking system. To operate effectively and ...

In the quest for that "rumpity-rump" sound, and all the performance that goes with it, your engine will more than likely lose the consistent flow of vacuum needed to aid your foot when the time comes ...

You're building the truck of your dreams, complete with an updated chassis and killer paintwork. You admit you went a little too far when building the engine, but the horsepower in your eyes kept you ...

The last time we had this 470-inch Mopar big block on the dyno, it made 751 hp with Trick Flow heads and a dry sump oiling system. The dry sump setup that we used for those tests worked great, but it ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? As you've heard many times, your car's engine is nothing but a big air pump. It sucks ...