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Type: Posts; User: 2fast4u

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  1. Replies
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    the most you want to re pitch any propeller is...

    the most you want to re pitch any propeller is two pitches max, any more than that the propeller blades tend to crack plus the blade casting does not match the wear ring dia very well. I know from...
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    426

    do not be too quick to add washers to the back of...

    do not be too quick to add washers to the back of the plate. If you are truly hitting the rev limiter ever so slightly the loss in power will cause the ski to bounce some because there is not enough...
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    no need to remove the exit pipe where it goes out...

    no need to remove the exit pipe where it goes out the hull, just remove the ride plate and use a sharp blade to trim the flap fingers off. Also if your vxr has the rubber curtain around pump leave it...
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    on the exhaust mod did you trim about 3 inches...

    on the exhaust mod did you trim about 3 inches off the exhaust hose end that extends down inside the plastic box and remove the rubber flap fingers where the exhaust exits the hull. also you need to...
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    clogged or kinked vent hose or possible bad one...

    clogged or kinked vent hose or possible bad one way vent hose valve check the entire vent system hose. There is a problem for sure in the hose vent system.
  6. did you crack the hull from towing something...

    did you crack the hull from towing something using the two tie down hooks ? HOW DID THIS DAMAGE HAPPEN?
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    525

    good news it the inner liner is NOT around the...

    good news it the inner liner is NOT around the pump tunnel crack area.
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    inspect intake grate for an obstruction , then...

    inspect intake grate for an obstruction , then replace all sparkplugs and re test.
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    525

    the aftermarket intake grate makes more tunnel...

    the aftermarket intake grate makes more tunnel pressure as it feeds more water to the pump, most of the time it is not a problem till you mod your ski and start pushing speeds close to 80+ however...
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    662

    good luck you are on the right track for sure ,...

    good luck you are on the right track for sure , keep us posted TommyJordan
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    This problem has been around for over 10 years...

    This problem has been around for over 10 years here is a link http://greenhulk.net/forums/showthread.php?t=49610 here is a second link, Do your home work before you build a 80 to 90+ mph ski. Tommy...
  12. Thread: What speed?

    by 2fast4u
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    186

    78 to 80 mph with a cut ride plate and a prop...

    78 to 80 mph with a cut ride plate and a prop pitch that will allow you to get close to 8400+ rpms
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    R&D plates are much faster than a Riva plate on a...

    R&D plates are much faster than a Riva plate on a gpr. Put a post on the forum looking for a used one.
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    the missing main part is a correct ride plate...

    the missing main part is a correct ride plate angle when done correctly it is worth 4 mph
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    You might want to drive and enjoy the trip over,...

    You might want to drive and enjoy the trip over, less chance of covid I am sure.
  16. Old post I did 10 years ago for the new guys! Prop pitch and rpm's

    Here is a old post i started 10 years ago (where have the years gone) about prop pitch and rpm's here is the link http://greenhulk.net/forums/showthread.php?t=135520 Tommy Jordan
  17. Sticky: I wanted to bring this topic back up for all the...

    I wanted to bring this topic back up for all the new guys.
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    100% correct information here! also here is a...

    100% correct information here! also here is a good post I did 10 years ago. Man where have the years gone! http://greenhulk.net/forums/showthread.php?t=135520
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    I did not need one on my ski, 09 fzr, i just used...

    I did not need one on my ski, 09 fzr, i just used the oem spacer , my prop does sit close to stator but the closer the prop is to the stator the better the pump pressure. Riva even offered a set back...
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    662

    Reducing the prop pitch INCREASES acceleration...

    Reducing the prop pitch INCREASES acceleration and top engine rpms, this is a must do for higher elevations.
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    get a old damaged wear ring for your ski and send...

    get a old damaged wear ring for your ski and send it to scat trac and have them install a 160 stainless wear ring then purchase a 160 prop your desired pitch and you are good to go (the water engine...
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    bumping this post back up, anybody have more...

    bumping this post back up, anybody have more information on this ecm reflash
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    most tunes are 91 safe as that is the most octane...

    most tunes are 91 safe as that is the most octane you can get in Ca. So 93 offers even more protection. I would only use octane booster when 87 or 89 is all you can get. Replace you plugs and stay...
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    No need for octane boosters , can you not get 93...

    No need for octane boosters , can you not get 93 octane gas? most tunes are safe with 93 octane and up to 18 psi of boost, If you need more try a mixture of race gas and 93 octane gas.
  25. To check the valves for being bent , use a...

    To check the valves for being bent , use a cylinder leak checker (compressed air in each cyl. with valves closed) and see if any valves are bent, this way you will know it the head has to come off...
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