12-08-2010, 10:00 AM | #2 |
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Join Date: Sep 2005
Location: sc
Posts: 1,203
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Re: decking 317 castings
30thou is about what most are saying gets them into the 10.5 range. you going to do anything else like valve job/etc b/c that factors in too.
dont forget to change your valve springs.
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