GM has announced that the blown beastie (6.2L Supercharged V8 LS9 engine) rocketing the Corvette ZR1 will be available as a crate motor next fall boasting 639hp / 604 lb-ft tq! GM Performance Parts also gives us a peek at the LSX 454 Crate Engine. The engine comes fully dressed, with an ignition system, exhaust [...]
