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  1. #1

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    06 Rxt wont pass 7650 RPMS Need Help

    its a 2002 gtx hull with an 06 215 supercharged motor with a 12/18 impeller and it would not pass 7650, it has a 06 rxt ecu, i pulled the supercharger and is in good shape and according to boost gauge is at 6 psi soo why is it not reaching around 8k rpms ? any ideas ?? thanks


  2. #2
    wotxxxsd's Avatar
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    Has it hit around 8100 since the swap?
    Or did it hit 8100 and now it doesn't?
    Last edited by wotxxxsd; 03-16-2014 at 11:07 PM.

  3. #3

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    noo i have done a few things and nothing seems to change

  4. #4

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    the most its ever hit is 7700 but thats all and only around 63 mph on gps

  5. #5
    JT jpt7779's Avatar
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    What is the SC slip set to??

  6. #6

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    8-9 lbs according to the mechanic using a torque wrench

  7. #7
    wotxxxsd's Avatar
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    63 mph gps is a great speed for that rpm..
    Does it cavitate from a wot start?

  8. #8

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    it does a little, the prop needs a lil tweak but is not the impeller cz i have repitched it like 3 times and no reults from 13/19 to 12/18 still the same as far as top end speed and rpms

  9. #9
    Boost addict hotbird's Avatar
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    Is your throttle body fully opening?

    Stock intercooler?

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  11. #10

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    yes stock intercooler, and no i havent checked the throttle body

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