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  1. #1
    Resident Jicky Jack Jeff C's Avatar
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    Jeff C's Stage .5

    I just finished riding for the year. I got one last run in today and I am going to put her to bed........

    I did a few things that made a difference to my RXP in terms of speed gains.

    All summer long I had a 67+- mph ski.

    Here is what I did
    1. Repitched Solas 14/19, PPG tweaked it so I now get 8050-8100 consistently
    2. Filled in the ride plate holes
    3. Trimmed my reverse bucket. I noticed that a small amount of flow was hitting the bucket
    4. OPAS block off kit

    Like a dipshit, I did not stage these mods, so I don't know what gave me the gain.

    I made several runs on a local lake, and the GPS came back with solid 69+ runs. Before, all I had done to the ski was the Solas, and I would get 66-67 turning 7,900 rpm's.

    Cheapest 2 mph a guy could get...........


    I have a hunch the ride plate holes were trimming speed off the ski, so I filled them in with JB Weld. Instead of Jerry's suggestion of using rope to initially fill in the holes part wat (To be able to get the JB Weld out again if oyu needed to) I took duct tape and spinned the roll real tight so it looked like rope. I tuckpointed the ducttape up in there and it stayed in place real good.


  2. #2
    EZ Dock of Long Island Shibby1485's Avatar
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    duct tape! good idea!

    i'll use that as well when i fill my rideplate, nice idea

  3. #3
    way2fast's Avatar
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    When duct tape is in contact with aluminum for an extended period of time it turns highly caustic and will turn the aluminum metal into aluminum oxide in a matter on months !!! There is a good chance that the corrosion will make the ride plate and grate fall off at high speeds causing a risk of grave personal injury !!!!


    Only kidding.... Halloween is coming ...couldn't resist the scare


    Richard

  4. #4
    Resident Jicky Jack Jeff C's Avatar
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    Richard you bastard!!!


    I was reading that and started to get a lump in my throat, before you let me of fthe hook.

    i need to take my heart meds,,,, i gotta go

  5. #5
    mgo7483's Avatar
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    Jeff, great results... you'll be between 70-71 once the temps drop for sure!!! How much fuel did you have on these runs?

    Just for comparison...
    Last January my ski ran consistantly at 71.0 (gps) with these mods:

    PPG opas block-offs
    Stock impeller w/ stage III powertune by Impros
    R&D intake grate

    The ski would pull hard to 69 then slowly climb to 70 then crawl to 71.0. This was in 55 degree air temps and 62 degree water temps.

    Currently, my ski is running consistantly at 72.0 (gps) with these mods:

    PPG opas block-offs
    Stock impeller w/ stage III powertune by Impros
    R&D intake grate
    Replaced resonator with free flow pipe
    Riva Pump Wedge
    Filled rideplate holes
    Riva air intake

    The ski now pulls real hard to 71 then slowly climbs to 72. This was in 85 degree air temps and 79 degree water temps! I cant wait to see what it does when it starts to cool off!!! All runs are with 1 bar of fuel. With me, my gf, and a full tank i was able to hit 70.7 last sunday.

    Enjoy!

  6. #6
    Resident Jicky Jack Jeff C's Avatar
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    MGO:

    I had a topped off full tank of gas, the lake temp was about 60, air temp about 70 +- 8,100 rpm's


    My season is over, the ski is put to bed for the winter. I will play around with the ski next spring.

    If I dont store it away from my house, I will dream up more mods (Read, expensive) and break the bank.........

  7. #7
    mgo7483's Avatar
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    Jeff, I'm sorry to hear that your season is over. But, those are great speeds for the amount of mods and on a full tank. You would definatly be in the 70-71 range with low fuel. I hear ya on spending money on mods...its hard to stop. Good Luck!

  8. #8
    PMart317's Avatar
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    yeah wut is the best thing to us to fill the ride plates bolt areas??

  9. #9
    mgo7483's Avatar
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    JB Weld Stick... you can get it at discount auto parts.

  10. #10
    Resident Jicky Jack Jeff C's Avatar
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    I wonder if my speeds were accurate though. I will obviously give it another go in the spring to make sure..........

    That is what the GPS was reading both times

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