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  1. #1
    rx4pain's Avatar
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    Solas 15/20 impeller

    Anyone know anything about this impeller? On the Solas website it's listed for the RXP and I think it might be the impeller within Riva's Stage II though it doesn't specify which impeller.


  2. #2
    You will need extra Hp to run that prop. The stock prop is 12/19. I had impros repitch it 0.5 to 19.5 and lost 200 rpm but I gained on top end. I hate to see your rpm lost on 20 pitch with a slightly modded ski.

  3. #3
    Therock's Avatar
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    I'm putting my intercooler on tomorrow. I'll have all the equipment of a stage 2. The only difference would be that i have a RR IC instead. So maybe my next step will be the Solas 15/19..

  4. #4
    I wonder what a 15-20 will do with my stage 3?

  5. #5
    CC Racer kenshin89's Avatar
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    I have a question, so with 15/20 prop you lose rpms and some accleration but gain top end is that right? Is there a prop that is sorta even between accleration and top end or would it be better to just stick with the stock prop?(all i have now on my ski is a rive intake grate and i'm goin order a cool air filter this week)

  6. #6
    Peteshauling, I tried a Solas 14/19 repitched to 14/20 by Impros on my stage 3 and could only get 73.5 mph @ 8100 rpm in 85 degrees light chop. In 90 degree with 1-1.5 foot of chop only spun 7800 @ 70 mph. Just got the pump put back together with a repitch recommended by Dave to 14/18.5. I'll post the results tomorrow when I test. I'm sure a 15/20 would be way too steep to spin @ 8400.

  7. #7
    rx4pain's Avatar
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    Back to basics with me, I read a while back that the first # was related to acceleration and the second to top end (crude explanation)? Is that accurate?

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