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  1. #1

    ? for those of you who run 8700rpms!!

    what kind of of torelance are you guys running in your valve guides. Also what are kinda springs are you running? Also i am going to ream out all the guides to 6mm what size are you guys reaming them to?

    Just got took out my bent valve (ex) and the seats are fine. Looks like we lucked out again.


  2. #2
    Been there and back! BDNJ's Avatar
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    Call Mark Underwood @ Race Tech. He can probably help you with specifics. 905-726-3387


    Brendan

  3. #3
    mark and i keep in touch on a weekly bases.

  4. #4
    Site Admin Green Hulk's Avatar
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    JD 1 is running the nilamonster head at 9000 RPM's with no issues. Im running the same head at a more conservative 8800 with very good reliability. The specs you are asking for are trade secrets. Give Nils a call if you want him to build a head for you 805-465-3832

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