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Thread: S3 Wheel Boost?

  1. #1

    S3 Wheel Boost?

    when i ran my ski yesterday with the S3 wheel and rear air i was only seeing 9.6 #'s of boost @8100 @850 feet.
    this was with a dynotune digital boost guage.
    i have no boost leaks and the ski ran over 77.

    have i not seen several guys say they are getting 11 or more with the S3 wheels


    must have been with the ecu @84-8500 rpm.


  2. #2
    Quote Originally Posted by DIGGS View Post
    when i ran my ski yesterday with the S3 wheel and rear air i was only seeing 9.6 #'s of boost @8100 @850 feet.
    this was with a dynotune digital boost guage.
    i have no boost leaks and the ski ran over 77.

    have i not seen several guys say they are getting 11 or more with the S3 wheels


    must have been with the ecu @84-8500 rpm.
    You just answered your own question.

  3. #3
    Moderator The Bandit's Avatar
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    With the cooler weather we had yesterday, I was seeing 11+ at 8600 rpm's
    I would say you are right on at 8100 depending on weather.

  4. #4
    Site Admin Green Hulk's Avatar
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    The most i have ever seen with a stage 3 SC was on Rocko's RXT. We got 11.7 PSI at 8200 RPM's in cooler weather. I think it was around 70 degrees outside and we're at sea level. He was also running a Piranha intercooler. If you're still running a stock intercooler your boost readings will be about 1 psi lower.

  5. #5

    BOOST

    Quote Originally Posted by Green Hulk View Post
    The most i have ever seen with a stage 3 SC was on Rocko's RXT. We got 11.7 PSI at 8200 RPM's in cooler weather. I think it was around 70 degrees outside and we're at sea level. He was also running a Piranha intercooler. If you're still running a stock intercooler your boost readings will be about 1 psi lower.


    X/S IC
    95 OR SO AIR
    86 WATER

  6. #6

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    Quote Originally Posted by DIGGS View Post
    when i ran my ski yesterday with the S3 wheel and rear air i was only seeing 9.6 #'s of boost @8100 @850 feet.
    Riva's own S3 dyno chart shows 9.94 psi at 8100 rpm.

  7. #7
    CRAZEDRXP's Avatar
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    I see 9.5 at 8100

  8. #8

    speed?

    crazed

    did you ever get your ski running good numbers?

  9. #9
    DaveC's Avatar
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    DIGGS,

    My SC3 is running 10.3-10.4 at 8100-8120 RPMs. But I dont have near the top speed you have.

  10. #10
    Fast & Loud meeper's Avatar
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    i saw 10.5 at 8400 like riva claimed....

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