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 ...

With so many oil weights and combinations on the market, the crew sets out to show how different weights behave, perform and react inside your engine under operating conditions. While it only ...

According to the internet, too big of an intake port on a cylinder head kills low-end torque, but is that true? The Steves and Freiburger put that theory to the test on the latest episode of Engine ...

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 ...

Project cars are a labor of love for millions of weekend wrenchers nationwide. So many enjoy the challenging, hard work of getting worn out, broken down vehicles back on the road.