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Thread: How much compression?
          
   
   

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  1. 09-03-2010 08:14 AM #2
    Geezer2's Avatar
    Geezer2
    Geezer2 is offline CHR Member
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    Aug 2007
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    Car Year, Make, Model: 1976 Cadillac Seville with 454 Chevy
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    421

    The 10CC pistons should give about 8.8-1 compression with a 118cc chamber.

    That compression will be 89 octane friendly and make decent power.

    My +.030 BB made 542HP with 9-1 compression and runs fine on 89.
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    Buying parts I don't need, with money I don't have, to impress people I don't like
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