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  1. #1

    06 rxp with et137x4m. Tuning questions??

    Just purchased this charger and will be running a stock ecu, full stage 2.5 with 4" air intake. I have a NO WaKe zone that is about 5-10 of idle. Should I run a riva fuel reg or spend the money on a begi? If yes to the Begi what model do I get? Is anyone else running a similar set up? If yes what's your speed ?

    I'm trying to brake 80 on a stock ride plate and stock ecu..
    help is greatly appreciated !!


  2. #2
    AtoMIC_OraNGE greenbullet's Avatar
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    you will need a RRFPR for sure and yes a begi 2025 i believe.... as far as 80 on a stock plate? hows the bottom of your ski look? i very much doubt on a stock plate you will see 80 but never say never.... are you tuned correct under your ski? prop is going to need pitching......

  3. #3
    AtoMIC_OraNGE greenbullet's Avatar
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    and a way to monitor AFRS

  4. #4
    With my current set up and a 9lbs drop in wheel I Got 75.7mph on my garmin gps. So I hope 80 is possible. Lol

  5. #5
    AtoMIC_OraNGE greenbullet's Avatar
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    you wont see 80 ... that wheel is good for 2 mph.... im running an et 127 drop in wheel at 11pds of boost with all my mods im hitting 77 even. i will be close on 80 when i install my 137 3mm charger... takes alot of time.. patience and money to make an 80 mph ski. i bet i have almost 6000 into mine.. it adds up quick

  6. #6
    AtoMIC_OraNGE greenbullet's Avatar
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    you need to fine tune the bottom of your ski.. aftermarket ride plate.. re block offs or riva pro blockoffs.. seal all voids and holes including your plate holes.... alot comes into play when tuning a ski

  7. #7
    Yeah I know all about the cost, I got a 4" air intake, riva high flow hood, gen two inner cooler, rev bucket cut, ride plate holes filled and sanded, riva pro series block off's, riva sponsons, catch can, repitched 15/20 for my current set up (but with have to change that to like a15/24. Put 42 injectors in it, riva water box with thru hull, solid motor mounts with a stainless wear ring. That 75.7mph was just a bit under half tank so with maybe a bar or two I should see 76mph. But keep in mind that only with a green wheel 9lbs.
    Art from ET said it would be over 80. I really hope so cause I'll be sitting around 8g's in mods when done. Damn money grabbing rxp's. Lol

  8. #8
    AtoMIC_OraNGE greenbullet's Avatar
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    ok then.... you may be 79ish.. i have to get my ski back together and throw my 137 in and see but we are roughly around the same speeds now im at 77

  9. #9
    Bob 1tommygunner1927's Avatar
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    Quote Originally Posted by greenbullet View Post
    you need to fine tune the bottom of your ski.. aftermarket ride plate.. re block offs or riva pro blockoffs.. seal all voids and holes including your plate holes.... alot comes into play when tuning a ski
    Screw the riva plate.......my 3 seater couch is doing 80 on a stock plate, modified by SFR.

  10. #10
    That awesome! What charger are u running? Did you go with a begi regulator or just a standard rrfpr?

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