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  1. #1

    Finally Some Boost #'s From Rr Wheel

    was at ramp this morn at 7:10

    elevation 890
    temp 73-75
    lake 75

    off the trailer 9.2

    after some heat soak 8.8

    got to get that thermo installed


    best speed # this 76.7 225#rider (former best was 76.6 with 170 # rider)
    average 76 or so


    s3 wheel delivering on friday

    will post boost #'s from it this weekend hopefully
    Last edited by DIGGS; 08-02-2007 at 10:16 AM.


  2. #2
    Moderator The Bandit's Avatar
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    Quote Originally Posted by DIGGS View Post


    s3 wheel delivering on friday

    will post boost #'s from it this weekend hopefully
    You will be shocked at the difference.

  3. #3

    I KNOW

    i have installed 3 of them already in other peoples boats

    speedy went 78.7 off the trailer this morn at the same location with the s3 wheel and stock ecu



    so i am thinking s3 wheel, waterbox(coming soon), hmmm 79 stock ecu

    wow

  4. #4
    Vern's Avatar
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    Wow! Good numbers ... once you have the impeller pitch/trailing edge just right and running the right nozzle size, you will be flying (you are already flying actually). What is Speedy's current setup, impeller and nozzle size?

  5. #5

    15/20

    Quote Originally Posted by Vern View Post
    Wow! Good numbers ... once you have the impeller pitch/trailing edge just right and running the right nozzle size, you will be flying (you are already flying actually). What is Speedy's current setup, impeller and nozzle size?

    he has the 15/20r untouched with the 81 nozzle

    s3 wheel
    rear air
    stock ecu
    stock waterbox

  6. #6
    Vern's Avatar
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    Jeepers ... Dan (RXP'n in MI) gained .7 mph going from an 81 to an 80mm nozzle ring I think ... if your rpms are over 8100, you may want to try an 80mm ring. I think 79 is within reach ... the exactly right impeller and nozzle ring combo can really help get the last few mph ...

  7. #7

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    Atlanta Area, Georgia
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    What IC is he (or you) running with that setup?

    I'm about to be running close that setup and am trying to figure some benchmarks as to what I'll be running...

  8. #8

    nozzle

    i still have the untouched 15/20 in mine with the stock nozzle

    my nozzle setup will be here next week



    speedy is turning solid 8100 with the 82 ring in the heat and pretty solid 8100 with the 81 ring in the morning time and or cooler water


    i think in the fall with the 80 nozzle he will get 79

    we will see

  9. #9

    xs

    both of us have the xs i/c

    we both have stock ecu's

    he has the riva rear air i have a diy rear air(4 inch)

    i have the stock exhaust (res removed) and he has the riva thru hull with stock waterbox


    i have skegs he does not

  10. #10

    Join Date
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    Vern I plan on getting an 80 and 80.5 ring for the upcoming cooler months and hopefully see a 79. Did you notice much improvement in heat soak with the 158thermo?

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