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GMC70c20 · 01-04-2004, 12:24 AM

How high could I rev u pa 383 with a factory 400 flex plate?

01-04-2004, 12:24 AM	#1
GMC70c20 Registered User Join Date: Feb 2003 Location: Iowa Posts: 974	how high could I rev up a 383 with a factory 400 flex plate How high could I rev u pa 383 with a factory 400 flex plate?