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 ...

Compared to the 1960s, the octane content of street-legal gasoline is dismal, to say the least. Today's so-called "high-octane premium" usually is rated at only 92 octane—when you can fine it at all.