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  1. #1

    should i be happy or should i be crying?

    first time out this year after adding rude2. i seen 18+ psi measured by dynotune. anyway i fell just short 80 mph.
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  2. #2
    JFizzleJR's Avatar
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    Bump up your RPM's to 100 below the hard limiter and you should be well past 80

  3. #3

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    if i read your sig corectly your running a RIVA ECU,you turned 8240rpms get more revs up you gota go faster for sure....

  4. #4
    Richieb's Avatar
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    Increase the size of the nozzle.

    Go for some work on the pump area, but watch the fuelling.

    You look to have the power developed if the ECU is higher spec, 80+ is attainable for sure.

  5. #5
    18 psi @ 8240 rpm?
    12,4 afr @ wot with 39 lbs injectors with riva ecu and rrfpr?

    i highly doubt all that...

  6. #6
    Having Fun jp1300r's Avatar
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    I have never seen a 2Rude make 18psi and esp. at 8240r's. Your gauge is messed up. What ECU do you have a RIVA or Rotax? When people put RR ecu its hard to tell which one you have for sure. Get your r's to 8500 and let us know the results. Thanks for sharing. I think you should be happy by the way.

  7. #7
    Quote Originally Posted by jp1300r View Post
    I have never seen a 2Rude make 18psi and esp. at 8240r's. Your gauge is messed up. What ECU do you have a RIVA or Rotax? When people put RR ecu its hard to tell which one you have for sure. Get your r's to 8500 and let us know the results. Thanks for sharing. I think you should be happy by the way.

    i forgot to edit the rpms in my signature. that was my rpm before Jerry pitched my prop and with the original rude charger. I seen 17 psi on one run and 18 psi on another. the whole time out there i never looked at the rpm. all i know is that i never hit the rev limiter. its pretty scary looking at guages when going that fast. also Nills and Jerry, you guys are the man. will update next weekend

  8. #8
    Quote Originally Posted by jp1300r View Post
    I have never seen a 2Rude make 18psi and esp. at 8240r's. Your gauge is messed up. What ECU do you have a RIVA or Rotax? When people put RR ecu its hard to tell which one you have for sure. Get your r's to 8500 and let us know the results. Thanks for sharing. I think you should be happy by the way.

    its a rotax racing ecu

  9. #9
    rxpredviper's Avatar
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    Quote Originally Posted by vduzin12 View Post
    its a rotax racing ecu
    +1 but with 18+ of pound thas alot of boost

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