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Thread: prop sizes??

  1. #1

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    prop sizes??

    i have a 04 rxp the rpms at wot are like 8200 sometimes lil more, little less i have a greenwheel, free flow exhaust, fizzle intercooler, wedge, riva intake grate some other free mods
    is a 14/19 best or whats the difference between like a 13/19 or 14/17?? not really sure whats best


  2. #2
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by pbrxp View Post
    i have a 04 rxp the rpms at wot are like 8200 sometimes lil more, little less i have a greenwheel, free flow exhaust, fizzle intercooler, wedge, riva intake grate some other free mods
    is a 14/19 best or whats the difference between like a 13/19 or 14/17?? not really sure whats best
    Your on the limiter. If your running a stock prop I would think you need a 14/19. If your running a 14/19 then you need more pitch added to get off limiter. You might could make a 14/17 work but I think the 14/19 will be better.

  3. #3

    15/20

    Quote Originally Posted by pbrxp View Post
    i have a 04 rxp the rpms at wot are like 8200 sometimes lil more, little less i have a greenwheel, free flow exhaust, fizzle intercooler, wedge, riva intake grate some other free mods
    is a 14/19 best or whats the difference between like a 13/19 or 14/17?? not really sure whats best


    I would go with a 15/20. Steven is right though a 14/19 can be made work, but i think a 15/20 would be better.

  4. #4
    JFizzleJR's Avatar
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    A 15/20R 4 blade -2mm seems to work good with that setup. I suggest you find a 15/20R, try it, then get it pitched accordingly. It's the stage II RXP prop and that's basically what you have in HP (a little more).

  5. #5
    West Texas RXP skoepp's Avatar
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    Quote Originally Posted by JFizzleJR View Post
    A 15/20R 4 blade -2mm seems to work good with that setup. I suggest you find a 15/20R, try it, then get it pitched accordingly. It's the stage II RXP prop and that's basically what you have in HP (a little more).
    now that I think about it, Diggs and jfizzlejr are right on tweaked 15/20 will work. I never ran a green wheel so I was basing my findings from stock power and S3 charger. not to mention if you ever up grade to a S3, X, 137 ET, or rude 1 you would be able to use the same prop with some tweaking. you can even really bend a 15/20 if you decided to go even more boost. im sold, buy the 15/20, test it, and then repitch accordingly to your rpms.

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