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another header thread

This is a discussion on another header thread within the External Engine forums, part of the LSx Technical Help Section category; for everyone that has kooks headers did ya'll use the supplied bolt and gasket kit or go with some after ...

  1. #1
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    another header thread

    for everyone that has kooks headers did ya'll use the supplied bolt and gasket kit or go with some after market locks,studs,bolts?would oe exhaust manifold gaskets be better?does anyone have a problem with leaks?

  2. #2
    Member WS6ICK2K's Avatar
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    Metallic Blue
    2000 Trans Am WS6

    Im not sure how of high quality the kooks header bolts are but most people have no problem using the stock header bolts. As for the head gaskets most everyone recomemends that u use the factory GM metal gaskets. They seal very nice I have had no problems at all.

  3. #3
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    Quote Originally Posted by 00WS6BlueMetallic View Post
    Im not sure how of high quality the kooks header bolts are but most people have no problem using the stock header bolts. As for the head gaskets most everyone recomemends that u use the factory GM metal gaskets. They seal very nice I have had no problems at all.
    thanks for the input.I've got the headers ready to go just waiting for the rest of my exhaust to get here.I'm just trying to work out any problems i may encounter to make a smooth install.

  4. #4
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    My Kooks came with nothing. Just the longtubes.

    I used new GM multi-layer steel gaskets, and the stock header bolts. Just some loctite.
    No problems what-so-ever.

  5. #5
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    [QUOTE=Mr. Luos;1654006]My Kooks came with nothing.

    mine came with 2 flat aluminum gaskets and according to the install instructions supposed to be used with "a copper RTV sealant"WTF?The bolts that came with thyem look really cheap also,thats why I was asking if anyone was actually using them.

  6. #6
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
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    I don't know if I like the idea of RTV'ing that area. Too much heat.

  7. #7
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    I totally agree.So use the OE stamped steel gaskets?

  8. #8
    Slow'er'Ass Mr. Luos's Avatar
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    Quote Originally Posted by crazy dave ls1 View Post
    I totally agree.So use the OE stamped steel gaskets?
    That is what I used.
    No problems after 3 years.

    GM part number 12617944. You need 2....they come in a package of one.
    Thunder has them at $12.50 each before shipping.

  9. #9
    Member crazy dave ls1's Avatar
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    red
    2002 z/28

    Quote Originally Posted by Mr. Luos View Post
    That is what I used.
    No problems after 3 years.

    GM part number 12617944. You need 2....they come in a package of one.
    Thunder has them at $12.50 each before shipping.
    thank you very much

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