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sdbrown84 · 11-09-2008, 01:30 AM

LS7 is made for a 4" bore as stated before. I would just go that route or not even mess with a LS3 and call it a day at 6.3L. For reliability it is ALWAYS best to stick with an engines' designed bore and stroke. Otherwise GM would have made 1 block and just stroked it differently for each application.

11-09-2008, 01:30 AM	#7
sdbrown84 TECH Resident Trader Rating: 15 Join Date: Feb 2005 Location: Phoenix, AZ Posts: 783	LS7 is made for a 4" bore as stated before. I would just go that route or not even mess with a LS3 and call it a day at 6.3L. For reliability it is ALWAYS best to stick with an engines' designed bore and stroke. Otherwise GM would have made 1 block and just stroked it differently for each application. __________________ 1999 SS Hugger Orange M6 "Building.."