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  1. #1
    Join Date
    Apr 2006
    Location
    Bellevue, Nebraska
    Posts
    1,304
    Could be different things. Difference in line length from solenoid to nozzle, not sure if you're running a purge or not, but that could be a cause. I'd imagine that at 900-1000 psi, that nitrous is moving much quicker than the fuel though.

  2. #2
    Join Date
    Aug 2007
    Posts
    754
    I don't have a purge kit yet. I didn't measure but it looks like both the lines are about the same length.

  3. #3
    Join Date
    Aug 2007
    Posts
    754
    Been doing some research. I have an NOS tps/window switch. One guy was saying he had the same problem when the tps was hooked up to the wire near the tb. When he hooked it up to a wire down by the pedal it fixed everything. I currently have mine hooked up to the green wire by the tb which gives a solid 4.1v. Nitrous activation is set at 3.9v

  4. #4
    Join Date
    Nov 2007
    Location
    THE MEAN STREETS OF OKLAHOMA
    Posts
    11,120
    If that doesn't fix it just purge it into the motor idk though might not work with a window switch never used one of those.
    THEY CALL ME G.

    AZRAEL

    2017 RZR 1000 2 SEATER
    2023 RZR 1000 XP 4
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    The difference between winning and losing, is having a 2nd stage.

  5. #5
    my first hit will always lag. have to purge the air out of the nitrous line. Go spray another hit, it will be much better.

  6. #6
    Join Date
    Aug 2007
    Posts
    754
    So I've tried all of these things and it's still there. It backfired pretty loud today. I haven't had much time to play with the jets yet but right now I've got it down to 12.0 a/f. Does anyone think being lean can cause this, amung the other obvious things? I know i still need to get it dialed.

  7. #7
    Join Date
    Sep 2008
    Location
    Arizona/Utah
    Posts
    3,939
    What do the plugs read? I don't trust widebands for nitrous hits.
    ECSB 2kSierra 2wd 4.8L-K&N-HPtuners-Calspeed LT's-Magnaflow-Tahoe20's-HankookRH06

    waiting to go in... 3.90s, 214/220cam

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