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  1. #1

    My 07 RXP Turbo on E100 ( Brazil )




    It is my first Ski , have it for 8 months , 88.2 mph gps is the best # so far


  2. #2
    Orlando Shark's Avatar
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    Very nice lookin ski there. What type of engine management are you using and what are your afr's looking like?

  3. #3
    Fuel Tech made in Brazil, AFR is 11.3 WOT

  4. #4
    Orlando Shark's Avatar
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    How much boost you running? Seems like you are a tad rich. You can get a little closer to 12.0 and make a bit more power. How much timing are you running top end?

  5. #5
    It runs alcohol, it bunrs richer than gas, 24 degrees @ 20psi

  6. #6
    Orlando Shark's Avatar
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    Quote Originally Posted by Corbisier View Post
    It runs alcohol, it bunrs richer than gas, 24 degrees @ 20psi
    That's true, I'm used to E85 which is only 85% Ethanol and you are using E100 which I'd love to have access of here in the states.

    Anyways, I'm not sure if you are still tweaking but 24 degrees is very conservative for the 4tec motors, with E100 I'm sure you can safely run close to 40 degrees of timing but to be safe you can definitely raise it to 34-36 and start making some real power. Even though it might seem high and on other motors the 4tec motors love the additional timing. Also, this is assuming you are running stock 8.4 compression.

  7. #7
    I'm running 10:1 compression , E100 holds a little more detonation than Q16 , I'll test the skat trak 15,5 x 23.5 3 blade soon, I was runing 15 x 19 +3mm @ 9500rpm for 88.2 mph

  8. #8
    We have E100 on pump gas since 1984 in Brazil.......

  9. #9
    Orlando Shark's Avatar
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    Quote Originally Posted by Corbisier View Post
    We have E100 on pump gas since 1984 in Brazil.......
    Thats awesome, too many politicians have their money tied up on big oil companies so I don't see that happening in the US anytime soon.

    What else is your setup like? What Rpms are you spinning, what turbo, injectors, etc.

  10. #10
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by Corbisier View Post
    I'm running 10:1 compression , E100 holds a little more detonation than Q16 , I'll test the skat trak 15,5 x 23.5 3 blade soon, I was runing 15 x 19 +3mm @ 9500rpm for 88.2 mph
    the prop you say is 15x19 +3 mm, is it a 3 blade or 4 blade?

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