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Header Gaskets

This is a discussion on Header Gaskets within the External Engine forums, part of the LSx Technical Help Section category; I was wondering what type of gaskets are the best to use. the copper gaskets pacesetter sends or the rubbery ...

  1. #1
    Member tav8ws6's Avatar
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    Sunset Orange Metallic-M6
    2002 Pontiac Trans Am WS6

    Header Gaskets

    I was wondering what type of gaskets are the best to use. the copper gaskets pacesetter sends or the rubbery plastic ones they send. should i get new stock replacements OR should i use the ones that are with my headers on my motor already

    thanks

  2. #2
    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    i reused the ones I had and have no leaks. I believe alot of people just use the factory gaskets

  3. #3
    Member tav8ws6's Avatar
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    Sunset Orange Metallic-M6
    2002 Pontiac Trans Am WS6

    stock gaskets are paper ones, right? im almost positive they are

  4. #4
    Slower Than a 3rd Gen juiced99ws6's Avatar
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    Mystic Teal
    99 Trans Am & 01 CBR 929

    guess not
    Last edited by juiced99ws6; 03-12-2007 at 06:15 AM.

  5. #5
    Member 89LX's Avatar
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    Navy
    2000 Z28 M6

    Percy's Seal-4-Good Header Gaskets

    I used Percy's on my 2000 Z28. They are about $37.00. Multi layer and form (compress) to any imperfections and sealed great. I read nothing but good reviews and wanted what others thought was the best regardless of price (within reason). Did not want to continually re torque or weird ticking noises.
    2000 Z28 M6, SLP Lid, SLP Bellows, SLP UD,
    P&P Maf, TB By-Pass, PS Shorties, LS6 Intake, FAST 78mm TB, Hooker CB, Hurst Billet, Front Tower Brace, small 218/218....527/527....114 cam.
    337rwhp/348rwtq

  6. #6
    Pathelogical Liar BlackLT1Z28's Avatar
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    Black
    94 Camaro Z28

    Quote Originally Posted by tav8ws6 View Post
    stock gaskets are paper ones, right? im almost positive they are
    No, stock gaskets are metal. Paper gaskets are a bad idea. Buy OE metal metal ones.

  7. #7
    Slow'er'Ass Mr. Luos's Avatar
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    Red Tint Jewelcoat
    2008 Trailblazer SS

    Always gotten new GM gaskets.
    They are the multi-layer steel (MLS) ones.

  8. #8
    Member Orange99z28's Avatar
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    orange
    99 z28

    i'm gonna attempt to change my header gasket in a few days, ordered it from fred beans. any advice? i'm plannin on goin in from the bottom and hopefully not take anything else off.

  9. #9
    Pathelogical Liar BlackLT1Z28's Avatar
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    Quote Originally Posted by Orange99z28 View Post
    i'm gonna attempt to change my header gasket in a few days, ordered it from fred beans. any advice? i'm plannin on goin in from the bottom and hopefully not take anything else off.
    Yeah, good luck going in from the bottom, considering the heads are at the top of the engine. I suggest taking the y-pipe off the collectors so you can move the headers away from the heads to swap out gaskets. You may need to remove some things to get enough clearance to get to the bolts too.

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