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  1. #16
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    C12 is plenty safe, I’ve used it over 250 cranking with more than 25 degrees plenty of times
    RIP RPM RACING
    RIP Galen Burden
    2011 ODBA PRO DRAG world Champions
    Triad River Rocket

  2. #17
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    Quote Originally Posted by RBT View Post
    C12 is plenty safe, Iíve used it over 250 cranking with more than 25 degrees plenty of times
    Should I bother splashing a little ACES in with the c12 just to be safe?
    15.5 cobra 175 hp merc - sold
    18 tahiti tiger O/B 200 hp merc - sold
    19 STV euro - 2.5 merc DRAG
    Seebold F1 tunnel - 2.0 F1/champ

  3. #18
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    Nope
    RIP RPM RACING
    RIP Galen Burden
    2011 ODBA PRO DRAG world Champions
    Triad River Rocket

  4. #19
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    Quote Originally Posted by Brookbbb View Post
    Should I bother splashing a little ACES in with the c12 just to be safe?
    With 19 cc heads you’re not even stressing C12 very hard. That’s the spec fuel in DSRA and ODBA. There are guys running 280 lbs of compression on it, and probably more in some cases
    Erik Kiser

  5. #20
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    I run 112 with 17 cc cups with no problem. I do add a splash of ACES not because it does anything to the octane but because of its Top Cylinder Lubricity characteristics. But if you race with a club that specs fuel. Dont use it. Youll get DQ'd

    Quote Originally Posted by Brookbbb View Post
    Should I bother splashing a little ACES in with the c12 just to be safe?
    Bud Conner "Heathen" "Defending Our Constitution"

    FOR ALL ENGINE APPLICATIONS
    DRY Film Lubricant for Piston Skirts & Cranks + Thermal Barrier Ceramic Coatings for Piston Tops, Combustion Chambers, Valves etc !!

  6. #21
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    Awesome, thanks for all the info guys, really appreciate it.
    15.5 cobra 175 hp merc - sold
    18 tahiti tiger O/B 200 hp merc - sold
    19 STV euro - 2.5 merc DRAG
    Seebold F1 tunnel - 2.0 F1/champ

  7. #22
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    Quote Originally Posted by RBT View Post
    C12 is plenty safe, I’ve used it over 250 cranking with more than 25 degrees plenty of times
    Wow. Ive never had a motor with 250psi cranking compression. Possibly static but not off the starter you must like: EM tight “A”
    Nitrous is like a slut. u wanna hit it but you know there will be consequences.

  8. #23
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    I’m not going to dignify that with a response EH.
    RIP RPM RACING
    RIP Galen Burden
    2011 ODBA PRO DRAG world Champions
    Triad River Rocket

  9. #24
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    Quote Originally Posted by RBT View Post
    I’m not going to dignify that with a response EH.
    I hope all is well bud!
    Nitrous is like a slut. u wanna hit it but you know there will be consequences.

  10. #25
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    I run 17cc's on one of my 24's and the cranking compression is 295 psi's.
    If I don't ask any questions, I'll never learn anything.

  11. #26
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    At that point you’re going backwards
    Erik Kiser

  12. Likes 90 5.0, Tomanytoys liked this post
  13. #27
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    Quote Originally Posted by patchesII View Post
    At that point you’re going backwards
    Couple guys tried 16cc last season and kept breaking stuff, and it wasn’t really any faster than 19cc I don’t think.

    Hope i remember where I left my drag before catahoula rolls around haha

  14. #28
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    I’ve ran 285 psi before. Hit good but didn’t want to turn up
    Erik Kiser

  15. Likes 90 5.0 liked this post
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