Just curious..............
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Just curious..............

  1. #1
    " Live Laterally " Dominator's Avatar
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    Default Just curious..............

    I have a 2011 Cheyenne/Ultra and straight out of the mold right off the trailer with a 509 750 HP motor with an AB stainless impeller ran a 11.90. After a year of just running it with NO adjustments other than a wedge we have moved the motor forward from 20" to 28" installed a diverter, stuffer, back cut shoe and added some fuzzy dice to the dash. My question is how much can possibly be gained by doing such using the same power? 1-2 seconds??
    " NO MOTOR NO BOATER "

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    Senior Member EVILFORCE's Avatar
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    why did you move the motor forward?
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    " Live Laterally " Dominator's Avatar
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    Flying the nose dragging its ass
    " NO MOTOR NO BOATER "

    " I'd rather be riding in my boat thinking about God, than in church thinking about my boat ".


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    How much does it way ? Get rid of the back cut shoe . Call Greg at GS marine ( 951 ) 272-6060 and he will get it to run the best it can .

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    TRG
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    Back cut shoe from a 1* taper, is the only thing that has offered any help with my ass dragger, and now going with a 2*back cut deal, Bryans boat and mine are pretty similar in the ass dragging category, I am still at 24" off transom, can move much further fwd at this point, but I would if I could run it at 28-29 and there were no back seat.
    This best of both worlds sucks, 19' tunnels are shitty family boats! lol
    BYW Bryan 10.49 @101 is the best my deal has seen and it was at Elsinore.

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    " Live Laterally " Dominator's Avatar
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    Quote Originally Posted by TRG View Post
    Back cut shoe from a 1* taper, is the only thing that has offered any help with my ass dragger, and now going with a 2*back cut deal, Bryans boat and mine are pretty similar in the ass dragging category, I am still at 24" off transom, can move much further fwd at this point, but I would if I could run it at 28-29 and there were no back seat.
    This best of both worlds sucks, 19' tunnels are shitty family boats! lol
    BYW Bryan 10.49 @101 is the best my deal has seen and it was at Elsinore.
    Im statring to realize that a 19' tunnel really is NOT the best family cruiser too! lol Well Im keeping the back seat until I can finish my 21' so.......
    " NO MOTOR NO BOATER "

    " I'd rather be riding in my boat thinking about God, than in church thinking about my boat ".


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    It's a sickness Eliminator#1's Avatar
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    Quote Originally Posted by bob fry View Post
    How much does it way ? Get rid of the back cut shoe . Call Greg at GS marine ( 951 ) 272-6060 and he will get it to run the best it can .
    x2
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    Senior Member cyclone's Avatar
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    Quote Originally Posted by Dominator View Post
    I have a 2011 Cheyenne/Ultra and straight out of the mold right off the trailer with a 509 750 HP motor with an AB stainless impeller ran a 11.90. After a year of just running it with NO adjustments other than a wedge we have moved the motor forward from 20" to 28" installed a diverter, stuffer, back cut shoe and added some fuzzy dice to the dash. My question is how much can possibly be gained by doing such using the same power? 1-2 seconds??
    1-2 seconds is optimistic.
    The diverter is worth a small reduction in et when you get it timed right during the holeshot.
    What is the degree of back cut?
    Do u have a video of an entire run we can see?
    What does the hull weigh?
    What was the nozzle angle and ride plate angle before you made these changes?

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    Senior Member TNYoungblood's Avatar
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    Quote Originally Posted by Dominator View Post
    I have a 2011 Cheyenne/Ultra and straight out of the mold right off the trailer with a 509 750 HP motor with an AB stainless impeller ran a 11.90. After a year of just running it with NO adjustments other than a wedge we have moved the motor forward from 20" to 28" installed a diverter, stuffer, back cut shoe and added some fuzzy dice to the dash. My question is how much can possibly be gained by doing such using the same power? 1-2 seconds??


    Whats your boat weigh Bryan ?? What kinda RPMs are you turning ?? You runnin a Droop ?? I'm gonna be in the same boat with you in HP and I was really hoping mine would run 10 sec class. I'm around 400 lbs

    Oh and when I bought mine Doc told me to never put a diverter on it FWIW
    Last edited by TNYoungblood; 02-01-2012 at 07:48 AM.
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    LP-25.com Infomaniac's Avatar
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    Our Daytona would run 7.80 1000' with the same power. Iron head 509. 101 - 103 MPH Pretty sure it would be competitive in 10 sec class. That's what we built it for. It weighs 480ish and had a B/C impeller.
    If For Some Reason I Do Something Worthy Of Recognition. God Provided The Ability And Deserves The Credit.


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    Senior Member TNYoungblood's Avatar
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    Quote Originally Posted by Infomaniac View Post
    Our Daytona would run 7.80 1000' with the same power. Iron head 509. 101 - 103 MPH Pretty sure it would be competitive in 10 sec class. That's what we built it for. It weighs 480ish and had a B/C impeller.


    I'm hoping for it
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    Quote Originally Posted by TNYoungblood View Post
    Oh and when I bought mine Doc told me to never put a diverter on it FWIW
    X2. I was also told to not run a diverter when I had my 19' Daytona by my pump guy. Your boat has good power, so ride plate and nozzle angle will be the best way to change the way it rides.

    Everyone has their input on the diverter and a "stop" should be added to keep your nozzle angle at the optimum performance. Without it, you'll never know where to keep the nozzle straight when making a pass.
    boatless....

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    Senior Member cyclone's Avatar
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    Quote Originally Posted by YumaJet View Post
    Quote Originally Posted by TNYoungblood View Post
    Oh and when I bought mine Doc told me to never put a diverter on it FWIW
    X2. I was also told to not run a diverter when I had my 19' Daytona by my pump guy. Your boat has good power, so ride plate and nozzle angle will be the best way to change the way it rides.

    Everyone has their input on the diverter and a "stop" should be added to keep your nozzle angle at the optimum performance. Without it, you'll never know where to keep the nozzle straight when making a pass.
    Let's not confuse a Daytona with this hull design. Totally different boats.

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    Senior Member NiceGuyEddie's Avatar
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    Quote Originally Posted by cyclone View Post
    Let's not confuse a Daytona with this hull design. Totally different boats.
    Can we get a discussion going about diverters on a Cheyenne/Ultra? I can never seem to find that right spot, or seem to find it consistently when making a pass. I thought about adding a gauge, but don't want to drill another hole in the dash. I've been to ditch the diverter all together. It's a river boat. Keep it? Or ditch it?

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