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  1. #11
    Join Date
    Jun 2012
    Location
    Knoxville TN
    Posts
    1,415

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    Cool ride.


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    2018 Supra SL400

  2. #12
    Join Date
    Jun 2012
    Location
    Knoxville TN
    Posts
    1,415

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    Search for “cracked block” here or on the Moomba Forum. Betting they did not drain water.



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    2018 Supra SL400

  3. #13
    Join Date
    Dec 2015
    Location
    Lake Nottely, Blairsville, GA
    Posts
    1,247

    Default

    I used the bucket method on my Rider. Never pulled a one plug in my life. Just ran antifreeze through motor and never had an issue.

    On 242 however, takes me 40 min to winterize with draining the block and hoses. I don't add any antifreeze as in Hunter's step 4.
    Two seasons so far and no issues either.

    Both stored indoors and GA winters aren't like the north so going to the extreme here is not my thing.

    My advice is do it your way and do whatever your are comfortable with that makes it so you can sleep at night.

    1983 Supra Rider aka Mischief IV
    1983 Supra Beast
    1985 Supra Rider
    1986 Supra Sunsport Skier
    1987 Supra Marauder
    1991 Supra Comp ts6m
    2012 Supra Sunsport 242

  4. #14
    Join Date
    Aug 2018
    Posts
    17

    Default

    I did crack a v6 block one year but I built this for that boat...


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  5. #15
    Join Date
    Aug 2009
    Location
    London, Ontario, Canada
    Posts
    1,187

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    Quote Originally Posted by 87TSComp View Post
    While pumping antifreeze let exhaust water run on ground until pure antifreeze is seen then put buckets under exhaust, then you can run the engine as long as you want as often as you want
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    Antifreeze will not enter a cold block ( it will bypass it and flow directly thru the exhaust manifold and out the mufflers and exhaust) and there may be 2 gallons of water in the block. No antifreeze will enter a block untill it is up to temp and then the thermostat only begins to allow hot water to escape and plumbing antifreeze will then start to dilute the block water. Again , you will need 10x the amount of antifreeze or 20 gallons to achieve a freeze protection of -30. Drain your block or crack you block. I write this not for comp but anyone who was thinking of using this method.
    Last edited by docdrs; 10-01-2018 at 03:12 PM.
    2009 21v Worlds 340 Cat
    run your engine after you change the oil
    Doug

  6. #16
    Join Date
    Jun 2012
    Location
    Knoxville TN
    Posts
    1,415

    Default

    Quote Originally Posted by docdrs View Post
    Antifreeze will not enter a cold block ( it will bypass it and flow directly thru the exhaust manifold and out the mufflers and exhaust) and there may be 2 gallons of water in the block. No antifreeze will enter a block untill it is up to temp and then the thermostat only begins to allow hot water to escape and plumbing antifreeze will then start to dilute the block water. Again , you will need 10x the amount of antifreeze or 20 gallons to achieve a freeze protection of -30. Drain your block or crack you block. I write this not for comp but anyone who was thinking of using this method.
    Ha Ha. You need to trademark that: "Drain your block or crack you block"
    2018 Supra SL400

  7. #17
    Join Date
    Aug 2018
    Posts
    17

    Default

    I maybe get 1/2 a gallon of fluid out the exhaust before the thermostat opens???


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  8. #18
    Join Date
    Aug 2018
    Posts
    17

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    I forgot to mention the low in East Texas winters is usually no lower than 25 degrees.


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  9. #19
    Join Date
    Aug 2018
    Posts
    17

    Default

    Also is it easier to drain block and get all 5 gallons of water out or take the thermostat out?


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  10. #20
    Join Date
    Dec 2015
    Location
    Lake Nottely, Blairsville, GA
    Posts
    1,247

    Default

    Quote Originally Posted by docdrs View Post
    Antifreeze will not enter a cold block ( it will bypass it and flow directly thru the exhaust manifold and out the mufflers and exhaust) and there may be 2 gallons of water in the block. No antifreeze will enter a block untill it is up to temp and then the thermostat only begins to allow hot water to escape and plumbing antifreeze will then start to dilute the block water. Again , you will need 10x the amount of antifreeze or 20 gallons to achieve a freeze protection of -30. Drain your block or crack you block. I write this not for comp but anyone who was thinking of using this method.
    Minus 30?? Good grief, I would move immediately!!

    Climate controlled building is easiest way to winterize it I found out. Do nothing at all.
    Last edited by Mischief IV; 10-01-2018 at 10:01 PM.

    1983 Supra Rider aka Mischief IV
    1983 Supra Beast
    1985 Supra Rider
    1986 Supra Sunsport Skier
    1987 Supra Marauder
    1991 Supra Comp ts6m
    2012 Supra Sunsport 242

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