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  1. #1

    Thumbs down GTR215 max speed with mods

    Hey guys

    i buy GTR215 and put many part in ski :

    mods:
    vteche 8500
    RIVA XX CHARGER
    RIVA INTAKE AND FILTER
    RIVA WATER BOX
    supertech retainers
    CAM 28
    Fizzle 1000 intercooler
    SOLAS SRZ-CD 14-19 rpich 13-18

    salt water 38 degree . and only get 72mph on gps (8280 8300 rpm)

    its normal for GTR215 (GTI HULL) or not . because some guys tell me you cant get over 75mph in GTI HELL????


    thanks
    Last edited by suzuki; 09-22-2016 at 10:39 AM.


  2. #2
    kimi's Avatar
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    How many psi makes your riva xx scer?

  3. #3
    Quote Originally Posted by kimi View Post
    How many psi makes your riva xx scer?
    13.5 -14 psi

  4. #4
    rxpredviper's Avatar
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    Quote Originally Posted by suzuki View Post
    Hey guys

    i buy GTR215 and put many part in ski :

    mods:
    vteche 8500
    RIVA XX CHARGER
    RIVA INTAKE AND FILTER
    RIVA WATER BOX
    supertech retainers
    CAM 28
    Fizzle 1000 intercooler
    SOLAS SRZ-CD 14-19 rpich 13-18

    salt water 38 degree . and only get 72mph on gps (8280 8300 rpm)

    its normal for GTR215 (GTI HULL) or not . because some guys tell me you cant get over 75mph in GTI HELL????


    thanks
    RPM and mile are good you need ride plate , intakegrate and pich prop 8500 you will be in 77 78 .. ride plate will give you 3 mph easy

  5. #5

  6. #6
    ptscon's Avatar
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    You should be spinning higher RPMs with that setup.

    First thing I would try is a new set of plugs.

    Then check for boost leaks.

    Whats your AFR at full throttle?

  7. #7
    Quote Originally Posted by ptscon View Post
    You should be spinning higher RPMs with that setup.

    First thing I would try is a new set of plugs.

    Then check for boost leaks.

    Whats your AFR at full throttle?
    new spark plug
    afr 11.8-11.9

    cam sprocket (full retard )

    thanks

  8. #8
    rxpredviper's Avatar
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    Quote Originally Posted by suzuki View Post
    Quote Originally Posted by ptscon View Post
    You should be spinning higher RPMs with that setup.

    First thing I would try is a new set of plugs.

    Then check for boost leaks.

    Whats your AFR at full throttle?
    new spark plug
    afr 11.8-11.9

    cam sprocket (full retard )

    thanks
    cam sprocket (full retard ) need to be middle

  9. #9

    Join Date
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    what was the before mods speed in similar conditions?

  10. #10
    Get rid of the air filter.

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