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Can I use factory manifold gaskets?

This is a discussion on Can I use factory manifold gaskets? within the External Engine forums, part of the LSx Technical Help Section category; I just got longtubes and I want to know if I can reuse the stock manifold gaskets on the longtubes? ...

  1. #1
    Member RS_SS69's Avatar
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    Onyx Black
    2001 SS

    Can I use factory manifold gaskets?

    I just got longtubes and I want to know if I can reuse the stock manifold gaskets on the longtubes? I would like to know asap if possible I want to install them tomorrow any help is appreciated thanks.

  2. #2
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    alot do re-use them, i assume if they come off cleanly and look ok. on ls1tech i read some peole reusing them even with 50 to 70k miles on them.
    Pontiac Firebird's: 91 Formula 350, 01 Trans Am WS6, Suzuki's: 09 SX4 Crossover, GSX-R's: 06 600 & 07 1K.
    F-Quick Garage & Car Domain

  3. #3
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    primer
    1973 Camaro

    My headers came with new metal gaskets that I used but I couldn't tell any difference in the new ones and the 50k mile ones that were on it. I don't think new ones are at all required if the factory ones look good.
    '73 Plain Jane Camaro, Gen III, T56
    '02 WS6, M6
    All gone but not forgotten

  4. #4
    Senior Member SeVeReDiStOrTiOn's Avatar
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    05 Wrangler
    00 Z28 sold :-(

    I never reuse gaskets even if they still look new...but if that's your thing then reuse'em.

  5. #5
    No 55mph 1QuikWS6's Avatar
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    Black
    2000 WS6 Trans Am

    You might be able to re-use them but why throw all your hard work down the toilet? Just go buy a new set of GM exhaust gaskets - they are actually the best to use.

    You might save a little $$ by re-using, but if they leak you'll be kicking yourself in the ass and will then be taking the trouble to replace them anyway...

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