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  1. #1
    rxpredviper's Avatar
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    Gas octane ?????

    I have 160 compretion and a 20 pound s/c at 9000 rpm ,what octane I have to used?????


  2. #2
    Quote Originally Posted by rxpredviper View Post
    I have 160 compretion and a 20 pound s/c at 9000 rpm ,what octane I have to used?????
    id use 93

  3. #3
    Moderator Snoman's Avatar
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    You have 160 lbs of compression and 20 lbs of boost??I would run more than 93. i would go with 108/110 racing gas...

  4. #4
    83.0 @ 8400 jhill19's Avatar
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    Definitely going to need race fuel.

  5. #5
    rxpredviper's Avatar
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    Thank you snowman I just got 110 but $11.50 a gallon..

  6. #6
    Moderator Snoman's Avatar
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    Quote Originally Posted by rxpredviper View Post
    Thank you snowman I just got 110 but $11.50 a gallon..

    I hear ya....Gas prices definatly are not on our side this year.....

  7. #7
    rxpredviper's Avatar
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    Quote Originally Posted by trapperjack1 View Post
    id use 93
    I think you never used your full power because your knock sensor was retarding your timing.i think

  8. #8
    83.0 @ 8400 jhill19's Avatar
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    Yeah have fun paying 11.50 a gal for 110. Are you filling up the tank?

  9. #9
    rxpredviper's Avatar
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    Quote Originally Posted by jhill19 View Post
    Yeah have fun paying 11.50 a gal for 110. Are you filling up the tank?
    No hell no lol..wife will trow me out the house.lol

  10. #10
    83.0 @ 8400 jhill19's Avatar
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    Lol hope that's strictly a race boat

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