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bolt or weld exhaust?

This is a discussion on bolt or weld exhaust? within the External Engine forums, part of the LSx Technical Help Section category; should i have my exhaust bolted on or welded, i've heard bolt on raddles???...

  1. #1
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    bolt or weld exhaust?

    should i have my exhaust bolted on or welded, i've heard bolt on raddles???

  2. #2
    Sold: LS1 '85 El Camino ls1camino's Avatar
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    Quote Originally Posted by beer View Post
    should i have my exhaust bolted on or welded, i've heard bolt on raddles???
    Yes, it rattles...I have to get mine welded

  3. #3
    Junior Member OH ONE ES ES's Avatar
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    i got bolt on and it dont rattle, if u weld and u wanna move stuff around later on down the road its a alot bigger job

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    Senior Member INMY01TA's Avatar
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    Bolt it on and just have each joint tach welded so they dont slip. Helps keep the tips level. Easier to remove later if you wanna sell it or such.

  5. #5
    someday joejenkinsglass's Avatar
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    Quote Originally Posted by INMY01TA View Post
    Bolt it on and just have each joint tach welded so they dont slip. Helps keep the tips level. Easier to remove later if you wanna sell it or such.
    +1 unless it leaks

  6. #6
    Member jujofields's Avatar
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    Quote Originally Posted by INMY01TA View Post
    Bolt it on and just have each joint tach welded so they dont slip. Helps keep the tips level. Easier to remove later if you wanna sell it or such.
    +2.....I have mine bolted in and it doesn't rattle whatsoever, and the tips haven't become unlevel at any time....I agree with the tach weld as extra protection, but mine doesn't even have that done & it's perfect!!!

  7. #7
    Junior Member OH ONE ES ES's Avatar
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    Quote Originally Posted by jujofields View Post
    +2.....I have mine bolted in and it doesn't rattle whatsoever, and the tips haven't become unlevel at any time....I agree with the tach weld as extra protection, but mine doesn't even have that done & it's perfect!!!

  8. #8
    Moderator Firebirdjones's Avatar
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    I prefer to have them bolted, for many reasons.

    I also prefer band clamps,,,for 2 reasons. They give you a leak free seal covering the joints for 2-3 inches on either side,,,,and it keeps from smashing the pipes so they slide apart easier when the time comes.
    It's important to at least keep the rear section of the exhaust removable for fuel pump changes, since the rear muffler and tailpipe assembly has to be removed to access the tank, and it sucks when you have to wrestle around with exhaust longer than necessary,,,,,but when band clamps are used it slides apart with minimal fuss.

    I can't stand the smash clamps. It basically makes removing the pipes and royal pain and you end up slicing and rewelding,,,,a bunch of unnecessary repair work etc...and alot of your time.

    You would run into the same problems if you weld the system solid,,,,removing the rear section for a fuel pump job would require cutting and fabbing.

    And don't forget,,,in some cases it's necessary to remove the front Y-pipe section at least partially when a clutch job comes along. It would suck if you had all that welded too and had to sawzaw your way in,,,and repair all the damage afterwards.

    I have used band clamps for years, and I've never had rattle problems nor have I had the pipes move around.

  9. #9
    2004 HEAD/CAM CTS-V 9t8z28's Avatar
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    X2 on the band clamps. Also, put some copper anti-seize on the slip fit connection to keep it from freezing up.

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