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by classic_chevy
Mon Aug 10, 2009 7:49 pm
Forum: General Motors
Topic: 55 Chevy w/ 2005 5.3L Vortec LS Motor
Replies: 3
Views: 21494

55 Chevy w/ 2005 5.3L Vortec LS Motor

Just finished installing a $350 junkyard 5.3L Vortec out of a 2005 GMC Sierra in my 55 chevy post. It is the cast iron version of the LS1 minux .4 liters but has identical internals. I put a Comp Cams Thumpr cam and upgraded valvesprings and pushrods. Intake is stock and I added 30 lb Ford SVO injec...