Motor full of water
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Motor full of water

  1. #1
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    Default Motor full of water

    OK, what did I do. last time out motor ran great, no issues. Today I go for a cruize from Viera's to Wimpy's for lunch. Glass smooth water. About two miles and the motor starts sounding rough, I back off the throttle and gets worse, about the time I'm reaching to shut her down, she dies. Did not sound good at shut off. Did not try to restart or turn over. Looked like I had a lot of blowby. Has vacuum pump and breather is pumping out milkshake. Pulled the oil dipsick and water starts pouring out. Motor is completly full of water, all they way up to the vavle covers.

    Any ideas to look for when I tear it down?

    Jerry

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    Senior Member EVILFORCE's Avatar
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    What kind of motor????????
    No Fool Like A Old Fool is there?

  4. #3
    Senior Member cyclone's Avatar
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    Quote Originally Posted by billet racing View Post
    OK, what did I do. last time out motor ran great, no issues. Today I go for a cruize from Viera's to Wimpy's for lunch. Glass smooth water. About two miles and the motor starts sounding rough, I back off the throttle and gets worse, about the time I'm reaching to shut her down, she dies. Did not sound good at shut off. Did not try to restart or turn over. Looked like I had a lot of blowby. Has vacuum pump and breather is pumping out milkshake. Pulled the oil dipsick and water starts pouring out. Motor is completly full of water, all they way up to the vavle covers.

    Any ideas to look for when I tear it down?

    Jerry
    intake gasket leaking into valley?

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  6. #4
    Senior Member Woods 017's Avatar
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    What block and bore? If the cylinder walls are thin you might have small hole or crack allowing water to leak into the crank case.

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    X's 2 on intake gasket.

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    Senior Member rogerroost's Avatar
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    heard the milkshake story lots here,but never that bad! x3 on intake. when u fix it ,I hope you have a pressure gauge on it. keep us posted!

  9. #7
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    It will be obvious when you tear it down.

    Split cylinder wall is the most common thing I have seen when that much water is in the engine.
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    Quote Originally Posted by rogerroost View Post
    heard the milkshake story lots here,but never that bad! x3 on intake. when u fix it ,I hope you have a pressure gauge on it. keep us posted!
    X4 on the intake......sounds like old 4.1-4.9 cad motors...low coolant light came on, grandpa topped it off with 2 gal. of fresh anti freeze and drove it on in....poor motor just oozing out the breathers. Pull valve covers intake and pan...vacuum out the stuff on top....wash the rest down with 3 cans of brake clean, back together and 3 oil changes and tell the customer if it gives ya any problems, bring it back and cad will buy you a new motor, customer pay labor.
    Odd thing....maybe 20% went upside down..if they made it a couple hun miles, they would make it another 50 thou..

    And i know, not a boat motor....although i would rather have a gal. of water in the oil rather than a pint of antifreeze...

    And pressure gauge and maybe check the torque on the intake...
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  11. #9
    B1 Racing cs19's Avatar
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    Intercooler?

  12. #10
    Senior Member OkieDave's Avatar
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    Default intake gasket

    intake gasket. water going into crankcase but not into combustion area. possibly easy fix if you don't wait too long.

  13. #11
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    My unknown water in the motor, originally thought to be intake gasket, was the water jacketed exhaust spraying like a sprinkler on the inside! Had a couple cracks in the headers on the inside. Fresh motor too, ended up having to go through the entire thing again. Good luck and make sure to pull that pan off to see what it looks like on the bottom end!

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    Default water issue

    Found it today. 427 tall deck block, bored to 4.32. Bottom of cylinder bore busted out, into the water jacket. Block is now good for mock up only.

    I have another one. Now I'm questioning wether I want to use it or just step up to a Merlin or something else.

    Jerry

  15. #13
    Senior Member skippers WFOT's Avatar
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    so what would the spots to look at on the intake. i got a good milkshake squirt out of my valve cover last weekend. water temp never over 140 and water pressure at the intake was 15-17 at WOT
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  16. #14
    Senior Member flatnfast's Avatar
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    I had a water jacket set of headers from basset on my big block and the same thing happened to me, the internal part cracked and sucked water into the motor, Paul made good for it with a brand new set.

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