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  1. Raptor 660 Modifications
    I'm thinking of going with a 102mm 10.75 piston from JE. (I'm thinking 10.75 cuz I want to still use 91 octane, and hear that 11.1:1 will be on the boarder almost having to go to 93 since I'm getting a high compression piston) Are they crap or good?
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