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  1. #1
    Steve STSPERFORMANCE's Avatar
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    Exclamation coolant dissappearing and NOT in the hull

    Maybe ran my boat to hard this weekend! LOL

    No difference in performance boat is AWESOME!!

    symtom: going through about 1/2 of the overflow tank of coolant per tank of fuel.

    could it be: ride plate?
    head gasket?
    intercooler?

    like I said there is NO difference in performance and NO coolant in the hull.

    Is there a way to test for where I am losing it?

    Any help would be appreciated. Thanks in advance.


  2. #2
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    Quote Originally Posted by STSPERFORMANCE View Post
    Maybe ran my boat to hard this weekend! LOL

    No difference in performance boat is AWESOME!!

    symtom: going through about 1/2 of the overflow tank of coolant per tank of fuel.

    could it be: ride plate?
    head gasket?
    intercooler?

    like I said there is NO difference in performance and NO coolant in the hull.

    Is there a way to test for where I am losing it?

    Any help would be appreciated. Thanks in advance.
    Blown head gasket, it's going out the exhaust.. My ski started with those exact symtoms and manifest into full blown gyser under full full boost..
    You can test by pressure testing the head..

  3. #3
    Steve STSPERFORMANCE's Avatar
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    if this is the problem where is the best "how to" on doing a head gasket?

  4. #4
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    Quote Originally Posted by STSPERFORMANCE View Post
    if this is the problem where is the best "how to" on doing a head gasket?
    I wish I knew.. Duke is taking care of the technical stuff for i'm a throttle smashing idiot that just breaks stuff..

  5. #5
    King_Of_Fun's Avatar
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    Well, you can eliminate the intercooler since it doesn't see the antifreeze... Ron

  6. #6
    Steve STSPERFORMANCE's Avatar
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    if anyone has or knows somone who has head gasket experience in the columbus, ohio area pm me...

  7. #7

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    The first item to check is the ride plate--mainly because its so easy to do. With the ski on your boat lift or trailer--or just out of the water--no need to start the motor. Presure test your closed loop system as you would your car or truck.
    Remove the presure cap on your coolant bottle and use a cooling system presure pump and pump it up to 13 PSI. If its your ride plate leaking--it will show up on the black plate with all the screws in it. If no coolant shows up around any of the screws--then check the presure on the pump. If it starts going down and no leaks on the ride plate screws--then its your head gasket. Simple and fast. Good luck.

  8. #8
    Steve STSPERFORMANCE's Avatar
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    thanks will do that test first sundance!

  9. #9

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    Hey Ray,

    You wouldn't believe it. Still to this day, I have had a coolant leak on your black beast even after changing the gasket. I even had to change the head. It seems to only leak under full load.

    I was wondering if there is another head gasket or something like copper seal that might help aid in keeping the head gasket from leaking under extreme load.

    I'm hoping someone might have some input on this too!........

  10. #10
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    Quote Originally Posted by Troy Hammond View Post
    Hey Ray,

    You wouldn't believe it. Still to this day, I have had a coolant leak on your black beast even after changing the gasket. I even had to change the head. It seems to only leak under full load.

    I was wondering if there is another head gasket or something like copper seal that might help aid in keeping the head gasket from leaking under extreme load.

    I'm hoping someone might have some input on this too!........
    I'm only starting to see the problem as we're starting to push so much boost..My ski is in the shop now getting the head decked/Valve job and new gasket..Let's hope it was just alot of hours for me(140 hours on Stage III ++) and not the new SC.

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