As a longtime soapbox-shouter of tunnel-ram greatness, David Freiburger is constantly peppered with questions about running a single four-barrel carb versus dual quads on the tunnel ram. And finally, ...

On Engine Masters, presented by AMSOIL, the crew dives into how cylinder head flow and boost affect horsepower. They run their 363 Windsor once with 195cc and 225cc heads, and declare once and for all ...

There’s nothing we love more for big torque and visual impact that a good ol’ antiquated roots supercharger! On episode 25 of Engine Masters, presented by AMSOIL, hosts David Freiburger, Steve Dulcich ...

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 ...

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 ...

Hot intake air temps are bad, and cold IATs are good, right? But how bad is bad, and how good is good, especially in a boosted application? To find out, the guys explore the benefits of an air-to-air ...