Sucessful Northstar head gasket repair in a bottle - Page 2
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Northstar Engines and System Technical Discussion Discussion, Sucessful Northstar head gasket repair in a bottle in Cadillac Engine Technical Discussion; trying it as I type #3 cylinder has 75# so I seriously doubt it will work. Just an FYI In ...
  1. #16
    parts68 is offline Cadillac Owners Fanatic
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    Re: Sucessful Northstar head gasket repair in a bottle

    trying it as I type
    #3 cylinder has 75# so I seriously doubt it will work.
    Just an FYI In mot counting on a permanent fix;
    have a new motor ready when time will allow.

  2. #17
    twinbopilot is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    Parts68 - How did it turn out?

  3. #18
    twinbopilot is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    1000+ miles and still no overheating

  4. #19
    2004DTS's Avatar
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    Re: Sucessful Northstar head gasket repair in a bottle

    Congrats...I hope it lasts for you. I had a bad leak on my 90 Brougham and used a few things off the shelf including what you used...no luck. I hope yours is an exception

  5. #20
    K STS's Avatar
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    Re: Sucessful Northstar head gasket repair in a bottle

    still holding?

  6. #21
    83CADMAN's Avatar
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    Re: Sucessful Northstar head gasket repair in a bottle

    Quote Originally Posted by chris400 View Post
    I tried blue devil sealant in my 98 deville ,with 139000 miles on it, about a month ago and i drive 50 miles to work every day city and hwy and no overheating{197-205} and loss of coolant. so far ?
    Blue Devil says right on the label "NOT RECOMENDED FOR NORTHSTAR ENGENS"

  7. #22
    mlprus is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    I tried that nanocrapology on a cracked Ford Model A block and it did nothing. Waste of time. They did however give me double my money back!

  8. #23
    97EldoCoupe's Avatar
    97EldoCoupe is offline U.S. Patent #8,740,532 - www.studkit.com
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    Re: Sucessful Northstar head gasket repair in a bottle

    If these miracle liquids worked all that well, car companies would just bolt the heads to the blocks without gaskets and pour that crap in from the factory. It would save them a load of money. Gaskets are in the car for a reason and when they need to be replaced, there simply is no shortcut that can be taken.


    Need parts for your Northstar Engine? www.northstarperformance.com

    Jake Wiebe, developer of the SureGrip™ Cylinder Head Stud Kit

  9. #24
    mlprus is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    OK. Mr. Coupe. Excuse my ignorance, but just out of curiousity, why does the engine have to be pulled in order to put studs in?

  10. #25
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    Re: Sucessful Northstar head gasket repair in a bottle

    Because there's NO room to work, especially on the rear bank of cylinders. You might get the head off, might be able to do the machining and drop in the studs, but you'll never get that rear head back on. No way can you rotate the engine enough to get rear head clearance.

  11. #26
    twinbopilot is offline Cadillac Owners Member
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    Cool Re: Sucessful Northstar head gasket repair in a bottle

    3000+ miles later the engine started to overheat again as I was driving on the freeway. Oh no, I thought, here we go again, the fix didn't last after all. Towed the car back to the house and upon further inspection, the tensioner pulley for the water pump had failed! It wasn't the head gaskets! So I replaced the tensioner (very easy job - thanks to GM for a good design) and all is well again. So yes, the "Nanotechnology fix in a bottle" is still working....

  12. #27
    K STS's Avatar
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    Re: Sucessful Northstar head gasket repair in a bottle

    sweet.

  13. #28
    mlprus is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    Quote Originally Posted by submariner409 View Post
    Because there's NO room to work, especially on the rear bank of cylinders. You might get the head off, might be able to do the machining and drop in the studs, but you'll never get that rear head back on. No way can you rotate the engine enough to get rear head clearance.
    Makes sense.

  14. #29
    KEMETPHARAOH is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    how is your car doing?

  15. #30
    chacenbra is offline Cadillac Owners Member
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    Re: Sucessful Northstar head gasket repair in a bottle

    The BS factor in this thread is too much for me to handle...

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