Street-car turbo people, this one's for you. We all know that adding any sort of restrictor-like a muffler-is going to hurt power on a turbo motor. We also know that sometimes it just makes ...

Roadkill's David Freiburger and Roadkill Garage's Steve Dulcich host of MotorTrend's Engine Masters! Episode 53, featuring an intake shootout, is now available; subscriptions to the MotorTrend App ...

Engine Masters, presented by AMSOIL, is here, and we're starting off with atallorder: Does a long-runner tunnel-ram intake make more power across the entire rpm range than your average single-carb ...

The Holley 4150 has been the gold standard for performance since it was released to the aftermarket in the '60s. Seemingly everyone has one, but do you really know how to tune it? Resident carb ...