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  1. #1
    Moderator Snoman's Avatar
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    Rotax Sc imellor

    Can I run the rotax SC impellor with the stock ecu and stock injectors??what gains will i get??Is there a differance between the rotax and the riva SC wheels??If so which is the better impellor?I want to keep the stock ecu and injectors for now..I m going in the way of a stage 2..Thats kinda were i want this ski to be at 75-78mph range.Good enough..............for now


    Thanks
    Scott


  2. #2
    Site Admin Green Hulk's Avatar
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    Yes, you can run the RR SC with stock ECU and stock injectors. If you add an external intercooler later then you will want the 42# injectors.

    The Riva S3 is a better SC, but you will be required to run 42's with the stock ECU.

  3. #3
    Moderator Snoman's Avatar
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    Thanks Jerry ,,I forgot to ask you that when i PM ed you the other day..
    Gonna put the Riva S3 Intercooler in but leaving my options open for future
    use..The Bank says i can only take out what moneys in there So im trying to go with
    the items that are gonna be the hardest and most exspensive too change out in the future..
    I figure the SC and injectors and ecu are relatively easy to change so
    i can go with them at any time..Thanks again..

    Scott

  4. #4
    if ur going full stageII it comes with the riva vortec s/c wheel & u don't need the 42 injectors, the rr s/c wheel is better than the riva s/c wheel but u'll need the 42 injectors with the riva i/c, if u stay stock ecu and stock i/c u wont need the 42's the riva s3 s/c is the best and like green hulk said u'll need the 42's

  5. #5
    Moderator Snoman's Avatar
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    I would like to stay with the stock ecu and injectors.but if i have to change the injectors then so be it.Would i still be able to run the stock ecu though yes???And yes im gonna run a full stage 2 but not all of it is gonna be rivas parts.Kinda putting some other parts in plase of rivas that i think are a little better..Thats why im asking about the SC wheels..

  6. #6
    Quote Originally Posted by Snoman View Post
    I would like to stay with the stock ecu and injectors.but if i have to change the injectors then so be it.Would i still be able to run the stock ecu though yes???
    yea stock ecu will be fine u just need 2 pitch ur prop 4 ur set up

  7. #7
    Moderator Snoman's Avatar
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    Thanks yellow jacket..Just bought a prop from Meilvin off this site with jerrys magic touch already applied..Talked to jerry he said the ajustment he made on Mikes prop should be perfect for the stage 2.Mike had no problems with his stage 2 running this prop 8000 to 8150 all day so im hopeing to be set here.

    Scott

  8. #8
    BOOSTED's Avatar
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    What gains will you get with a ski with stage I and just the RR SC Imp & Prop?? Mph?

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