You could have cut the tension with a knife at the Westech Performance facility. We'd invited a total of 12 finalists to give it their best shot, and unlike the previous qualifying sessions, we'd ...

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 the 2006 Engine Masters Challenge, we mark the fifth anniversary of what has become a definitive showcase of engine building skill. This year's competition will be the first in which the field is ...

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 ...

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 ...