New to Jet boating need help
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New to Jet boating need help

  1. #1
    Junior Member Chuck466's Avatar
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    Default New to Jet boating need help

    Good day everyone, got my first jet boat a month ago 1988 Daytona Sprint runs great I really have enjoyed it the last couple of weeks I have logged 12 hours on it since I got it, It has a jetavater on it and anytime I try to raise it even just a little the front wants to porpis real bad, so I wish I could get a fix for this problem, it does have a ride plate under the pump and it's a little below level of the boat, I took some spacers out to see if this might help but it actually made it worse it was porpising real bad at half throttle, here are some pics, I appreciate any info.. Chuck









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    tintingsandiego krusn56's Avatar
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    Try and add a spacer to it(ride plate). adding will keep nose down and removing will raise at wot. You could also add a wedge to your pump. By the way, you have a place divertor not a jetovator. This unit is made to adjust your plane. Do some research on your hull....post some complete boat pics.
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    WFL Crew TINTDESIGNZ's Avatar
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    Quote Originally Posted by krusn56 View Post
    Try and add a spacer to it(ride plate). adding will keep nose down and removing will raise at wot. You could also add a wedge to your pump. By the way, you have a place divertor not a jetovator. This unit is made to adjust your plane. Do some research on your hull....post some complete boat pics.
    Krusin-Chuck is a buddy of mine-hoping some of the ones in the know can help on this setup. The ride plate is at a down angle from the intake and seems way too long to me. As he said he's having to run the divertor all the way down to even be able to drive it without it porpoising wildly. Seems to me the rideplates are fighting against the divertor. Plates are forcing the nose down and the divertor is raising the bow!

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    Senior Member jetboatperformance's Avatar
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    With due respect I personally dont care for the "ride plate" (how its fabricated and attached), I would suggest give thought to putting this boat back to all stock set up except the Diverter (for now , lose the plate, droop, etc keep the trim and start over We a 17ft version of this boat (which admittedly has all those similar features) But our has little to no porpous or bad habits , just curious where those loader blades are to "keel" as well as a few other ??'s Tom

    (ps are those outer plates "inletted? )

  7. #5
    tintingsandiego krusn56's Avatar
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    Quote Originally Posted by TINTDESIGNZ View Post
    Krusin-Chuck is a buddy of mine-hoping some of the ones in the know can help on this setup. The ride plate is at a down angle from the intake and seems way too long to me. As he said he's having to run the divertor all the way down to even be able to drive it without it porpoising wildly. Seems to me the rideplates are fighting against the divertor. Plates are forcing the nose down and the divertor is raising the bow!
    He might need a ride along with a tech/boat pro to adjust his deal.
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    WFL Crew TINTDESIGNZ's Avatar
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    Tom-i just took a quick glance a few days ago-but it seems the loader is below keel maybe a half inch or so-maybe chuck can verify this!

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    Senior Member jetboatperformance's Avatar
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    Quote Originally Posted by TINTDESIGNZ View Post
    Tom-i just took a quick glance a few days ago-but it seems the loader is below keel maybe a half inch or so-maybe chuck can verify this!
    kinda Scarey ! good place to start

  10. #8
    Senior Member skippers WFOT's Avatar
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    does the duct tape help the boat go faster? j/k
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    that ride plate needs to go.maybe a good candidate for an add on shoe/ride plate kit from hi tech. and cut the loader back to 1/8 or so above keel

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