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  1. #1
    lextoy's Avatar
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    12/20 best for low end on a 03 gtx sc?

    i am replacing my pump housing on my 03 gtx SC, 185 hp.
    allstock.
    so its time to go aftermarket impeller...
    whats the best for low end acceleration?
    i like the top speed too, but ont care if i dont go any faster, all i really care about is holeshot.
    is the 12/20 the best?
    i am also curious if a pump wedge will lighten this ski up a bit, it seems to plow,what will make it handle more lke my xpdi, or my old spx??
    what degree wedge, i am keeping opas on for now but blocking up with pvc.
    i think i'm looking for a 12/20 and wedge if anyone has got em...


  2. #2
    if you are around 200lbs, then go with the R&D 2.5 wedge...
    I`m 200 and didn`t think the Riva 2 degree was enough...

    The 12\20 is to steep untouched for your stock ski. you`ll prolly loose a good 200-250 rpms in the heat. I saw 7400 max with no IC, 7500-7550 with stock IC. was back up to 7650 with stock prop with no IC...

    if you want a hot holeshot try the 16\21 skat three blade, or get the 12\20 and send it to Dave @ Impros for the correct secret squirrel tweeking ...PR...

  3. #3
    lextoy's Avatar
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    ya iheard about the secret squirrel tweeeeek, how many nuts that gonna run me?

  4. #4
    Quote Originally Posted by lextoy View Post
    ya iheard about the secret squirrel tweeeeek, how many nuts that gonna run me?
    you`d have to call them or look on their site www.impros.com or PM Dave...PR...

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