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 ...

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 ...

Tugboat was my family's 1987 Dodge Caravan, which faithfully served us for years until its transmission finally exploded one lovely summer afternoon. Her 3-liter V6 was electronically fuel-injected, ...

The answer is yes: You can mix 87 and 91 octane gasoline without blowing your engine to hell. With that out of the way, let's discuss what mixing different octane fuels does to your engine in terms of ...

Surveying the dyno facilities at the University of Northwestern Ohio (UNOH) the last Sunday of September, the scene was alight with activity. Inside the expansive receiving area a group of engine ...