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  1. #1

    stock 04 RXP low RPM's help

    Ok I have a stock 04 rxp with 113 hours on it.I can only get 7700.I have read alot of threads on this subject and i am still not sure what direction to go.Green Hulk posted a thread about the 04 piggy back harness so I went to my local dealer and talked to the service manager.He looked my vin # up on the pc and said I did not need the harness.Was this true on all 04's or just some of them.So I read it could be a worn wear ring but I don't see how this would effect the rpm's.Can someone explain?My service dept thinks it the supercharger.I was hoping it was going to be the harness.That would be a easy fix.Has anyone had this problem with there stock rxp?


  2. #2
    AKA "The Guppy" JeffTurbo601's Avatar
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    depending on where you are 7700 may be normal for stock, i know here in jax florida that 77-7800 in the summer for a stock boat is about right.....you may also have a bit too much oil as well, that has been known to drop rpms as well

  3. #3
    I live in Ohio.My friend has an 04 just like mine and he get 8000/8050.I have my oil to the top of the full line.

  4. #4
    AKA "The Guppy" JeffTurbo601's Avatar
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    then your best bet is to 1. check for boost leaks and 2. check your supercharger slip....thats where i would start first

  5. #5
    So do I look for boost leaks between the sc outlet and the throttle boby ?So you don't think its the piggy back harness ?

  6. #6

  7. #7
    jekvall's Avatar
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    Ive always read to keep your oil 1/2 way between the lines.

  8. #8
    put a 3 inch air intake on it, and a 14/19 Solas and it will wake up

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