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Thread: 81mm venturi

  1. #1
    mxl16's Avatar
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    81mm venturi

    i want to mod my stock venturi so the exit is 81mm. i dont want it adjustable though. basically machine down the inside like skat does and get an 81mm ring and weld it in(i know its slightly more complicated than that but u get the picture). anybody done this, know whats involved..ect. does riva sell seperate rings aside from the whole kit?


  2. #2
    Site Admin Green Hulk's Avatar
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    Skat sells individual rings, but its impossible to weld a stainless steel ring to an aluminum venturi.

  3. #3
    mxl16's Avatar
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    do u the price off the top of ur head..for 1 ring?

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    Site Admin Green Hulk's Avatar
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    I don't. Call and talk to Glen Perry at Skat Trak.

  5. #5
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    Did we figure out if Skat sells extra rings for the Riva setup?

  6. #6
    Site Admin Green Hulk's Avatar
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    Yes!

  7. #7
    Quote Originally Posted by Green Hulk View Post
    I don't. Call and talk to Glen Perry at Skat Trak.
    jerry what skat-trak pump better 152 or the 155

  8. #8
    Site Admin Green Hulk's Avatar
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    I have no experience with the skat trak pumps, but hear some guys are having good luck with 155mm pumps.

  9. #9
    mxl16's Avatar
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    for anybody else interested, Jet Draft will do the venturi mod i explained above(turn stock venturi into 81mm dia exit, non adjustable). contact jd1 for more info and pricing.

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