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  1. #1
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    Rxt With Vts = Faster Boat It's True

    WELL, IT'S FINNALY DONE. I FINISHED MY CONVERSION LAST NIGHT AND TRIED IT OUT TODAY, I PUT A 96 XP VTS SYSTEM ON MY 07 RXT. I HAVE BEEN MEANING TO DO THIS FOR A WHILE NOW BECAUSE IN THE BACK OF MY MIND I NEW THAT THE WEDGE JUST WASNT CUTTING IT, AND MY THOUGHTS WERE TRUE. SO HERE GOES.

    THE MODS ON MY BOAT ARE AS FOLLOWS.
    RR SC
    XS COOLER
    RVA 3" INTAKE
    JERRYS 42 LB INJECTERS
    DENSO PLUGS
    RR THERMOSTAT HOUSING
    COOLING FAN WITH FLO RIGHTS
    TDR WATERBOX WITH RIVA TRU HULL EXHAUST
    RIVA INTAKE GRATE
    SOLAS 13/18 4 BLADE. WORKS THE BEST BY WAY
    CATCH CAN
    BOAT RUNS ALMOST ON E 70 MPH @8140 RPM'S

    SO NOW IT WAS 69DEG ZERO HUMIDITY GLASS CONDITIONS 3/4 TANK OF GAS BOAT RAN 68.9 @7900 RPMS NOTE BEFORE IT WAS 70 @ 8140
    I DID MANY MANY PASSES TO ACHIVE THE HIGHEST GPS SPEEDS. I HAVE FOUND THAT WITH THE WDGE ITS NOT ENOUGH TRIM. WHEN I FOUND THE SWEET SPOT WITH THE VTS I PUT IT ON THE TRAILER AND SEEN THAT THE NOZZLE WAS HIGHER THEN THE VENTURI, THEREFORE WEDGE ISNT ENOUGH.

    HOPE I EXPLAINED IT WELL ENOUGH.
    TO PUT TRIM ON YOUR RXT YOUNEED THE FOLLOWING
    R D RXP NOZZLE LISTS FOR AROUND 225
    ANY SEADOO VTS ON EBAY COMPLETE I PAID 200
    A VTS GAUGE OPTIONAL
    VTS SWITCH

    SO FOR ABOUT 500 YOU COMPLETELY CHANGED YOUR HULLS FEATURES HERE ARE A FEW PICS

    ALSO I A LEARNED THAT MY HULL IS HOOKED PRETTY BAD AT THE VERY BACK OF THE HULL. I PUT A STRAIGHT EDGE ON THE HULL AND THERE IS A PREETY BIG VOID TOWARDS THE TAIL . OVER THE WINTER I PLAN ON DOING MY GPRXP CONVERSION AND THEN TRUEING THIS HULL.

    SO I AM SURE OF THIS........
    TRIM DEFFINATLY HELPED.
    THE VOID IN MY HULL DOESNT. ONCE THE VOID IS FILLED I AM SURE I WILL GAIN AT LEAST 2 TO 3 MPH.
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  2. #2
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    more pics
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  3. #3
    Moderator two2curupt's Avatar
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    I had wanted to do that ever since 2004 When the RXP came out...
    I have just been way to lazy... I figured you would get speed from it..
    Good Job..

  4. #4

    VTS

    So With Vts You Ran 70 Or 68 I Am Confused............?

  5. #5
    Quote Originally Posted by DIGGS View Post
    So With Vts You Ran 70 Or 68 I Am Confused............?
    No doubt. I was thinking the same thing.

  6. #6
    ISLAND RACING seadoo951's Avatar
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    I think what he is saying is that he was running 68 without the VTS and then 70 with the vts

  7. #7
    BLACK MAGIC HEADERS hydrojunkie's Avatar
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    yes i gained about 1.5 mph, gonna test tommorow

  8. #8

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    A good trick to help the vts module live is to run a bead of sealant around the edge of the casing where the potting meets the plastic.

    The reason so many fail is that the casing is more flexible than the potting so it seperates along the seam allowing water onto the circuit board. This is sepecially so when you have an exhaust hose in close proximity, eg. XPL's.

    We used to put HX trim on the GTXL's with similar results.

  9. #9
    Gus13letter's Avatar
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    I know I am bringing this back from the dead, but..... Seems that hydrojunkie is the only one I can find on here who added the VTS himself.

    Can you please refresh your memory on what you had to buy to make the VTS work on an RXT? I really want to add it to mine. WIll I need to get rid of my Riva adjustable reduction nozzle?

    If I can get all the info needed to put this on my ski I will do a write up in the how to section. So anyone's help to get this done will be beneficial for many others.

  10. #10
    El Tartaro luismendez25's Avatar
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    You will not need to get rido f the reduction nozzle.Tommy's ski which was in Tampa this weekend didnt bring the VTS from factory. It was added.

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