Compression Question??
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Mountain Pass
Joined: Jun 2008
Posts: 173
Likes: 11
From: Danville KY
Compression Question??
I rebuilt my '88 460 recently, I told the machine shop I wanted to raise compression to 9.5, engine is bored .30 over and heads are milled slightly. I looked up the part number for my pistons on KD's web site and they show the CR as 9.7 for a EFI engine but I read somewhere the later 90's heads where different than my '88 ........how do figure compression CR??
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Joined: Oct 2007
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