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Higher Compression/Shaved head of a M10?

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    #1

    Higher Compression/Shaved head of a M10?

    Hello to everyone here! :D
    I d like to know how much I could shave off the stock M10 head in a way thats "safe" as far as fuel pre detonation is concerned.How many mm shoud I go for? All the internals are stock and in a very very good condition...Something like 0.20mm will be ok with everything else in the engine "as is"?
    N.
    Last edited by a3ternus; 11-26-2009, 04:56 AM.
    Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

    Originally Posted by aaron_silva
    It is always frustrating having a harsh ride when
    you arent in the right mind set.
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    #2
    Anyone?!?
    Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

    Originally Posted by aaron_silva
    It is always frustrating having a harsh ride when
    you arent in the right mind set.

    Comment

      #3
      A clip from Barry Burr's M10 Tuning Guide
      If head is removed for any reason, shave 15 thousandths off if you want to stay SCCA stock legal, or 60 thousandths if you want to shave as much as conservatively safe as possible. I did one motor with a stock cam at 80 thousandths with no clearance problems.

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        #4
        Originally posted by MattsBMWs View Post
        A clip from Barry Burr's M10 Tuning Guide
        Thank you very very much! I missed it...
        N.
        Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.

        Originally Posted by aaron_silva
        It is always frustrating having a harsh ride when
        you arent in the right mind set.

        Comment

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