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Replacing the piston in my trinity 719 kit, told that with any of the pistons they sell 12.5:1 is it for compression ratio. Anyone milled theirs down to drop it? From the looks of the old one is seems like there is plenty of material. Just need to CC it and see how much dome there really is and figure out how far to go..
 

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talk to chris at benchmark performance...........
 

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If you are talking about the M1054 CP you have about 0.065 to play with and still be safe according to CP.

Nate
Alba Racing
 
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