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Northstar Engines and System Technical Discussion Discussion, Thermagasket Does It Work??? in Cadillac Engine Discussion; There you go, again. You are NOT supposed to explain black magic and wizardry. .........the stuff is dirt cheap at ...
  1. #16
    Submariner409's Avatar
    Submariner409 is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    There you go, again. You are NOT supposed to explain black magic and wizardry.

    .........the stuff is dirt cheap at Walgreen - we use it to seal woven silicate insulation tape on dry marine exhaust pipe.

    Speedygman likes this.

  2. #17
    MindyMaucelli is offline Cadillac Owners Member
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    UnhappyRe: Thermagasket Does It Work???

    Quote Originally Posted by MindyMaucelli View Post
    I used it on September 23, 2010 and have driven thousands of miles already and not one time has it overheated on me. I was also skeptical, and so was my mechanic.. He actually LAUGHED at me.. Well, guess what... He just used it on a customers truck and was completely impressed. Especially after he and his employee's all laughed because I was going to use it. AWESOME PRODUCT!

    And even if it only is a temporary fix, it sure has lasted quite a while, and if it happens again.. I will use the other half that I got.. BUY IT!

    Email me if you have any questions. I am located in Kansas City..
    My email is my username at gmail
    Please stop emailing me. Here is my update-------> Thermagasket worked for ONE YEAR almost to the day, then it stopped working and head gasket breached again. My car is now JUNK. I have it listed for $1,000. and am willing to part it out. I WILL NOT RESPOND TO ANYMORE EMAILS, they will only get deleted.

  3. #18
    RippyPartsDept's Avatar
    RippyPartsDept is offline Cadillac Owners 10000+ Posts
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    Re: Thermagasket Does It Work???

    $1000 is too much to ask for a northstar with blown head gaskets unless it's really low miles and perfect condition
    $500 is better but you'd probably get that much taking it to a scrap yard

    ----------

    especially with all that junk in the cooling system those parts will also have to be replaced (probably)
    Speedygman likes this.

  4. #19
    Submariner409's Avatar
    Submariner409 is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    There is no chemical on earth that will remove sodium silicate once it reacts and sets hard. The entire engine (block, cylinder heads, any part of the cooling system) is now unrepairable and is pure junk.

    That's why the stuff was used in the "Cash for Clunkers" program - once in an engine for 1 day or 1 year - whether the crankcase or cooling system - the engine is trash.
    Speedygman likes this.

  5. #20
    daveyhouse is offline Cadillac Owners Fanatic
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    Re: Thermagasket Does It Work???

    At least Mindy reported back with length of time it lasted. Guess got lucky lasting that long huh?

  6. #21
    RippyPartsDept's Avatar
    RippyPartsDept is offline Cadillac Owners 10000+ Posts
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    Re: Thermagasket Does It Work???

    head bolts can take a long time to pull out
    i've heard of someone lasting over a year from when they found exhaust gases in the coolant until it was not drive-able
    Speedygman likes this.

  7. #22
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    Quote Originally Posted by MindyMaucelli View Post
    Please stop emailing me. Here is my update-------> Thermagasket worked for ONE YEAR almost to the day, then it stopped working and head gasket breached again. My car is now JUNK. I have it listed for $1,000. and am willing to part it out. I WILL NOT RESPOND TO ANYMORE EMAILS, they will only get deleted.
    If you don't want to get email, don't post your email address and asked to be emailed "if you have any questions".
    ted tcb, ted tcb and Speedygman like this.

  8. #23
    scott f's Avatar
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    Re: Thermagasket Does It Work???

    Quote Originally Posted by Ranger View Post
    If you don't want to get email, don't post your email address and asked to be emailed "if you have any questions".
    @ Mindy, Jeesh, What a sorehead!

  9. #24
    Submariner409's Avatar
    Submariner409 is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    Quote Originally Posted by scott f View Post
    @ Mindy, Jeesh, What a sorehead!
    ^^^ Probably not true. I would guess that she found out the hard way that you NEVER post personal contact information in a public forum. There is a lot of low-life scum on the Internet.

    YOU post YOUR e-mail address and ask for feedback. Hang on to your sanity and address list.
    Speedygman likes this.

  10. #25
    Ranger's Avatar
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    Re: Thermagasket Does It Work???

    YOU post YOUR e-mail address and ask for feedback.
    Remember the old adage, Be careful what you ask for ....................
    JoeTahoe, JoeTahoe and Speedygman like this.

  11. #26
    zpalffy is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    I have a 1998 Cadillac Eldorado and the head gasket went as you know this is prone to northstar engines. I did a lot of research and decided on Therma Gasket. I followed the instructions to a T step by step. They give you enough for 2 applications. The 1st application lasted 1 year I suspect that it would have lasted longer but I think when I had my oil changed they sometimes top off your fluids and as you know GM recommends Dex-Coolant and it was topped off with Dex-Collant and destroyed the Therma Gasket. So since I had the other half of the bottle I did the whole procedure over again and it has been fine for 5 months now. It does work.
    Speedygman likes this.

  12. #27
    Submariner409's Avatar
    Submariner409 is offline Cadillac Owners Member
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    Re: Thermagasket Does It Work???

    ........"it does work".......... for some period of time.

    BandAids are inexpensive. Real repair is not.

    DEX-COOL had nothing to do with "destroying" the magic goop. More head bolts are losing their torque/clamping pressure due to cylinder block head bolt hole thread failure and the head(s) are lifting more. The original slug of magic goop is probably solidified throughout the cooling system so the second shot is trying, once again, to seal the SanAndreas fault... but it's gonna blow again.
    Speedygman likes this.

  13. #28
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    Re: Thermagasket Does It Work???

    Quote Originally Posted by zpalffy View Post
    The 1st application lasted 1 year
    That's why they give you enough for 2 applications. They know you're gonna need it.

    it was topped off with Dex-Collant and destroyed the Therma Gasket.
    Dex-Cool had no effect on it. It will fail again. Stand-by.
    Speedygman likes this.

  14. #29
    maeng9981's Avatar
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    Re: Thermagasket Does It Work???

    Does it not tell you something when there are threads about this from who remembers when and yet there is no single verified success story?

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