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  1. #1
    njrealtor55's Avatar
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    1050 single pipe setup - opinions?

    been a long time since i was on these forums (about 4 years). looking for some advice on 1050 big bore setup. is porting necessary? looking to build a pump gas 67-70mph single pipe rx. had twin pipes on my last xpl race boat, they were a pain - so i'm hoping a white pipe will get there if matched with a decent 1050 setup. if i remember the 1050 wasn't worth it unless the ports were changed (was told the 951 has marginal port size/shape at stock bore).

    anticipated setup:
    re-flashed mpem
    stock carbs (f/a & re-jet)
    plastic pump (not sure of impeller)
    aftermarket nozzles (not sure of sizes)
    rinaldi reeds (if necessary)
    1050 pistons
    miller head (or cut head)
    sponsons
    umi steering
    bored ex. manifold and white head pipe


  2. #2
    m schmidt's Avatar
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    congrats another RX build. The white pipe is a lot more for giving than twin's. There's a link to my set up.
    http://www.greenhulk.net/forums/showthread.php?t=51366

  3. #3
    m schmidt's Avatar
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    forgot a couple more things true the hull and a 97 XP plate will also help.My mpem is recurved by tim at NOVI with the coffman pipe curve. And I run a stock intake grate.

  4. #4
    njrealtor55's Avatar
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    actually trying to work a deal for a rxx minus the engine, carbs and pump. we will see what happens.

  5. #5
    AndinoWatercraft's Avatar
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    Great info.This keep hy hopes up when I rebuild my 01 with some of there tricks it could hit near 70 stock piped.

  6. #6
    GOO$E Mongoose2's Avatar
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    plastic pump with 15/20 concorde/97 xp ride plate/white pipe and manifold(i have one if you want it)/rossier or miller 49 cc head/rinaldi reeds and spacer(got one of those too if you want)/rejet with flame arrestor(100,157.5,2.3)/add timing

  7. #7
    njrealtor55's Avatar
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    tim,

    been a while - hope the family is happy/healthy!

    wayne has a mint set of rxx pipes that i'm leaning towards (in addition to a bunch of other stuff). i figure i will build a stock bore twin pipe (rxx) and then go 1020 or 1050 late next year. i guess i didn't learn my lesson with twin pipes back in 2007

    pm me your price for the rinaldi reeds and spacer - i will need them regardless of exhaust choice.

  8. #8
    WICKEDSEADOO's Avatar
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    TEAM DEAN mpem
    46 NOVI A BOOSTERS
    SKAT TRAK SET BACK D PUMP WITH 14/26 SUPER SLIM
    SKAT TRAK NOZZLE
    RINALDI REEDS AND MILLER BOOST BOTTLE
    MEL MILLER PISTONS
    MILLER HEAD
    MILLER MODIFIED COFFMAN PIPE

    BOAT RUNS 7450-7500 @ 74-75MPH

  9. #9
    WICKEDSEADOO's Avatar
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    I have some miller big bore cylinders and 951 ported cylinders and a 12 vein skat track pump. Let me know if you need some parts

  10. #10
    njrealtor55's Avatar
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    wicked sent you a pm.

    any preference on big bore piston type? rotax racing semi flat, off the shelf wiseco, or the special MRC wiseco

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