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  1. #1
    32 Valves To Love! Racecar_Dave's Avatar
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    Stock boost pressure?

    Whats the stock boost for a plain jane 215 rxt/rxp?


  2. #2
    Site Admin Green Hulk's Avatar
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    7 psi @ 8100 RPM

  3. #3
    Golden Jet red fox's Avatar
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    Quote Originally Posted by Racecar_Dave View Post
    Whats the stock boost for a plain jane 215 rxt/rxp?
    7.0 psi @8100rpm

  4. #4
    fh23rxp-x's Avatar
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    what about aan rxp-x around 10???

  5. #5
    Golden Jet red fox's Avatar
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    Quote Originally Posted by fh23rxp-x View Post
    what about aan rxp-x around 10???
    9.5 psi @8100 RPM

  6. #6
    32 Valves To Love! Racecar_Dave's Avatar
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    7? Really? And when (PSI?) is an aftermarket ECU required? Or has anybody tried just using a FMU?

  7. #7
    Hydrotoys's Avatar
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    lots of info on this board already. Some folks are rolling at 80mph+ with a stock ecu.

  8. #8
    jimbogsxr11's Avatar
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    So an X-charger on my 06 RXP should be making around 9.5 psi?

  9. #9
    boost junkie skidoochris's Avatar
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    Quote Originally Posted by jimbogsxr11 View Post
    So an X-charger on my 06 RXP should be making around 9.5 psi?
    yes, what is a fmu
    if you want a good tuner use a cmd marine
    but with that small SC you can get away with less

  10. #10
    jimbogsxr11's Avatar
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    Thanks for the information; I'm hoping a 4" intake will give the engine more air and a little more speed.

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