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Thread: 7900 prm"s

  1. #1

    7900 prm"s

    i have a 07 rxt riva 3" intake a solas srx-cd-14/17r impellar brand new wear ring new carbon ring newly rebuilt charger seeing 70 mph on speedo and 7950 top rpm's i have a 2 deg wedge and intake grate coming will those items make the difference to bring the prm's to around 8000 ?

  2. #2
    Fastest in my cove sfackett0's Avatar
    Join Date
    Aug 2007
    Sparrows Point, MD (near the Key Bridge)
    where do you ride? In this heat those RPM's seem normal, I was at 8100 in May and now im down to 7900 because of the heat/humidty

  3. #3
    Moderator Snoman's Avatar
    Join Date
    Apr 2006
    South Chicagoland
    You may have to tweek your prop a tad to get your RPMs back up to 8100..Your not that far off..a MM and 3/4 should get you right there IMO...

  4. #4
    i ride in lakes water temp is around 85 air temp mid 80's pretty humid though right now.

  5. #5

    Join Date
    Jun 2011
    Morris, IL
    I was seeing 8050-8100 earlier in the year now I cant get past 7750. New wear ring and recent SC rebuild so I think its the weather and humidity.

  6. #6
    I thought the '07's ECU allowed 8200-8300rpm?

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