Back in part one of our new GMPP LS3 testing ("Late Crate Update," Oct. '10), we subjected a factory-fresh LS3 crate motor from GM Performance parts to a series of performance upgrades, including a ...
Turning heads and ticking off Ford purists, the rule-breaking, all-steel widebody 1970 Fastback Ford Mustang, with its 625 horsepower aluminum block stroker 427ci LS3, was designed after the TransAm ...