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 ...

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 ...

Long before the first engine was loaded onto the dyno to kick off the 2009 Jegs Engine Masters Challenge, the die had been cast for an event like nothing that had preceded it. As in any form of racing ...