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Old 07-08-2008, 03:13 PM   #10
radz28's Avatar
Drives: Ultra-Grin
Join Date: Oct 2006
Location: Crapramento, Crapifornia
Posts: 13,063
Both prior posts make sense. I know a guy whose running an MS3 in a otherwise stock longblock with a 150-shot and is planning on a 200. If it weren't for his 10-bolt finally taking a dump (and causing the stock 4L60E to break) his bottom end would've been fine. He has it tuned really well though, so I'm sure that helps, but it's my understanding the crank and rods (not so much the rod bolts on early LS1s) are pretty stout and even the pistons will put up with some abuse.
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