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Kilo-9 · 11-22-2009, 09:46 PM

FWIW, Texas Speed recommends the 418 over the 427 if you're planning more than 10 psi boost or more than a 150 shot of nitrous. The 418 is a shorter stroke which allows the use of a more substantial piston for higher boost applications...

11-22-2009, 09:46 PM	#4
Kilo-9 Dog Is My Copilot Drives: 2011 2SS/RS LS3 Join Date: Jun 2009 Location: Pittsburgh, PA Posts: 1,394	FWIW, Texas Speed recommends the 418 over the 427 if you're planning more than 10 psi boost or more than a 150 shot of nitrous. The 418 is a shorter stroke which allows the use of a more substantial piston for higher boost applications... __________________