Author Topic: Blair Patrick's latest 506" FE  (Read 31530 times)

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CaptCobrajet

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Re: Blair Patrick's latest 506" FE
« Reply #45 on: September 09, 2015, 08:37:01 PM »
BB, it depends on the OEM specs.  In Stock and Super Stock, the blueprint specs submitted to NHRA by the OEMs govern the compression ratio.  Some may have 14.5:1 while others may have 7.5:1, depending on the factory dems.
Blair Patrick