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y7/y8 compression?

Discussion in 'Engine Building' started by 93y7, May 23, 2008.

  1. 93y7

    93y7 New Member

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    what compression does a y7 with a y8 head make. ive read 10:1 but the compression calculator says 9.3:1. and what is the most i can have my y8 head milled down?
     
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