Sure, there are lots of ways to add boost to your engine, but nothing says hot rod more than a classic 6-71 Roots blower. Great question—but first, a bit of history. The GMC blower, known as a Roots ...

Originally developed for industrial use, the 6-71 blower has become a hot-rodding icon. We delve into the details and test one on a 406-inch Chevy small-block.

The trick to building a budget street engine is to use as many production-based parts as possible. Original-equipment (OE) parts are generally well engineered, durable, and in some cases less ...