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  1. #1

    which nozzle on my p-x???

    i have worx grate,4"kanaflex,15/22r solas.
    do i need to run stock nozzle?
    or is there a better one for my application?
    i have a brand new 83 but i see post both ways.
    i would like to keep good hole shot and get all top speed i can get.
    dont want to give up all my hole shot.
    thanx for any help.

  2. #2
    CHANDY's Avatar
    Join Date
    Jun 2009
    Yeppoon, Australia
    what rpm you doing withthe stock nozzle? if you hitting the limiter the 83mm will drop it a little, maybe 100-150 rpm. I didn't notice much change in holeshot but I will be tuning mine for a 83-85mm ring. Some of the guys on here have said not to go smaller than 83 ring but i am like you and want to keep that killer hole shot any way.

  3. #3


    i haven't installed prop is in shop
    for complete sc rebuild 70hrs.they are covering it
    under warranty though.i bought a 83 but i see alot of people are running
    the stock i was just trying to decide.
    thanx for reply

    p.s.come on guys,i no more have done this.

  4. #4
    ctriverguy's Avatar
    Join Date
    Aug 2007
    Ipswich, Massachusetts, United States
    83mm works great with the 15/22r. I saw no drop in rpms and gained 1.5mph by switching only the nozzle.

    and by "feel" i couldnt tell the difference in acceleration. good luck

  5. #5



  6. #6
    Laxcrazy23's Avatar
    Join Date
    Sep 2007
    Ill let you know later this weekend, putting the 83mm on tomorrow. hope to see the same results as CTRiver.

  7. #7
    no reverse jayohentran's Avatar
    Join Date
    Mar 2008
    my friend just installed an 83mm nozzle on his. we'll also be testing it this weekend.

  8. #8
    t_hoang02's Avatar
    Join Date
    Apr 2008
    jayohentran is rite.. I'll be testing the 83mm nozzle this weekend... I didn't have the money to buy the real expensive Riva adjsutable reduction nozzle... so I just bought a stock RXP nozzle, which measures 83mm and a bit teller then the X-model 87mm nozzle... I will post MPH sunday nite...

  9. #9

    Join Date
    Sep 2007
    Lexington, Ky

    Thumbs up

    I've tried about every nozzle size out there... Anything smaller than an 83mm will noticeably effect hole shot, especially with the 15/22r. Personally, I've found a 3blade with an 83mm nozzle gives the best balance of hole shot and top speed.

  10. #10
    Been there and back! BDNJ's Avatar
    Join Date
    Jul 2005
    Silver Bay, Toms River, N.J.
    83mm. If you run tighter you will likely cavitate. And you will definitely increase your chances of eating the bars if you run tighter rings above 78 or so.

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