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 ...

Never before has a major sampling of superchargers been gathered and tested, side by side, on the same engine, under the same set of conditions. HOT ROD instigated this blower dyno test to find out ...

This Mad Adder series started way back with a 540-inch big-block offered by BluePrint Engines. After running all manner of power-adders on the dedicated BBC stroker, we affectionately dubbed the crate ...