317's on Ls1 block.. How Far Can They Be Milled?
08-11-2011, 01:01 PM
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317's on Ls1 block.. How Far Can They Be Milled? how much can i safly take off my 317 heads? going on stock ls1 block...
going boost so im not looking for too high of compression, but want to know how much room i have to work with
going boost so im not looking for too high of compression, but want to know how much room i have to work with
08-11-2011, 01:41 PM
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.040", maybe more, but then you might start to run into problems with the intake bolts lining up....my heads have been milled about .050" but I'm running an aftermarket intake
08-11-2011, 02:23 PM
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thank you for the info, i understand the compression ratios, but im p&p them and want to know how much room the machine shop will have, probably going to end up with a 70cc
08-12-2011, 11:51 AM
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thank you guys for all the info, i was only worried because ive heard people saying that the 317's couldnt be milled too much, but thats what i wanted to hear
