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Thread: Headers: studs or bolts?

  1. #1
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    Headers: studs or bolts?

    Starting to remove the factory exhaust off of a 2003 Town Car I was able to buy.
    With only 12,000 miles on it, I hope the job won't be too bad.

    Going on will be the full stainless works kit from the headers to the catted version of the cat-back.

    What do you all recommend for mounting the headers:

    Reuse the factory studs?
    Replace the factory studs with stainless studs?
    Use the bolts supplied by stainless works?

    Thanks in advance!
    2004 Black Marauder: #2237 Born on 4/1/2004

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  2. #2
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    I was able to use the factory studs because the nuts came off nicely, I did use brand new nuts from Ford tho. Getting the old studs to come out nicely was a mission I didn't want to deal with. All depends on how clean they look I guess.


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  3. #3
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    Option 2


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  4. #4
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    stainless studs.... studs are far less likely to strip the threads in the head vs a bolt.
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  5. #5
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    I used these on my Mustang shorties.

    Stage 8 Locking Header Bolts - #8906
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  6. #6
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    I would reuse studs if they are in good shape. Otherwise buy new studs. OEM or stainless, your call. And absolutely use OEM exhaust manifold gaskets. DO NOT use aftermarket. They all suck no matter what anyone tells you. I've even reused OEM exhaust manifold gaskets.
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
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  7. #7
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    Quote Originally Posted by blazen71 View Post
    I would reuse studs if they are in good shape. Otherwise buy new studs. OEM or stainless, your call.
    And absolutely use OEM exhaust manifold gaskets. DO NOT use aftermarket. They all suck no matter what anyone tells you. I've even reused OEM exhaust manifold gaskets.
    ^^^^ THIS ^^^^

    The OEM multi layer stainless steel gaskets work the best.
    I reused my OEM gaskets for my Kooks Headers and had zero leaks.
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  8. #8
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    Replace the factory studs with stainless studs, they're cheap on Amazon.

    https://www.amazon.com/Stainless-Exh...%2CB07VT76H BT

    Reuse the OEM gaskets if in good shape or if not get new OEM replacements only.

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  9. #9
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    Thanks for the replies, decided to go with new stainless studs and nuts.

    Another question:

    I have a brand new set of OEM exhaust gaskets and stainless works say in their instructions to either use the high temp. sealant they supply alone or use it in conjunction with the gaskets.

    It's getting cold here in Michigan and was wondering if the sealant will even set properly.

    You guys think it would be OK to just bolt the headers on with only new OEM gaskets and avoid the sealant altogether?

    Or is a combo of the two the best way to go?
    2004 Black Marauder: #2237 Born on 4/1/2004

    Eaton Swapped and a bunch of other goodies!

  10. #10
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    Factory SS multi layered gaskets go on dry, no sealant needed.

  11. #11
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    Quote Originally Posted by musclemerc View Post
    Factory SS multi layered gaskets go on dry, no sealant needed.
    Agreed ^^^^^
    You "feel" the difference because you want to "feel" the difference. Since you just spent money on the upgrade you "have" to feel the difference

    I'm looking to eliminate the double pump process I have to follow right now to get the pedal hard

    2004 300A Procharger #0010 D1X
    2003 300A Procharger #0017 D1SC (SOLD. Last I heard, it was in Washington State)

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