Take your pick. Whether you choose to let nature fill your engine's cylinders with 14.7 psi of absolute pressure or you cram a bit more in the hole with a blower, Weiand has you covered. For about as ...

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 ...