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usmcchevy · 12-15-2011, 03:50 PM

I'd throw some LS6 springs on it. Everything I've read says .500 is about it for the LS1's.

12-15-2011, 03:50 PM	#2
usmcchevy Has more rust than truck... Join Date: Apr 2005 Location: Ivanhoe, MN Posts: 2,421	Re: Valve spring Limitation I'd throw some LS6 springs on it. Everything I've read says .500 is about it for the LS1's. __________________ 1972 Custom/10 SWB, 4.8/4l80e Build thread LSx Swap FAQ index