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Old 01-30-2019, 09:23 AM   #125 (permalink)
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Join Date: Mar 2003
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Location: West Sacramento, CA
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What head are you running, 452? I wonder what your true comp ratio is. It's been quite some time since I had my 70 440 apart, but with the stock pistons I think they were like .060 or .070 down @ TDC. My memory says that I calc'd it at just under 9.5:1 with FelPro .040 comp gaskets and 346 heads (which are virtually identical to 906 and 452 heads). Just curiosities stumbling around in my mind.
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Last edited by crashnzuk; 01-30-2019 at 09:24 AM.
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