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73 CJ5 Exhaust Question

Discussion in 'Intermediate CJ-5/6/7/8' started by Brieoff, Apr 4, 2007.

  1. Apr 4, 2007
    Brieoff

    Brieoff Member

    TX
    Joined:
    Jun 7, 2006
    Messages:
    310
    Ok, so after a long winter I'm starting back into my project.

    I got the engine running great this winter.
    New ignition, New fuel tank, new fuel pump, rebuild carb, filter
    New Oil Pump

    Next on my list is the Exhaust.
    The exhaust header appears to be in good shape, but thats all there is.

    Oh, by the way, I have a 232.

    I have never had much occasion to mess with exhaust and consequently know very little about how my jeep's exhaust should go together.

    What are the parts, in order? (gaskets are a given)
    Exhaust Pipe, Cat??, more pipe, muffler, tail pipe?

    Thanks

    Almost forgot:
    I apologize, I would look this up in my books, but I'm on the road for a couple of weeks and would like to order the parts before I get home so they're waiting for me.
    I want to use my time as efficiently as possible, I will only have some weekends at home for a while.
     
    Last edited: Apr 4, 2007
  2. Apr 4, 2007
    jd7

    jd7 Sponsor

    Nacogdoches,Texas
    Joined:
    Mar 30, 2004
    Messages:
    1,745
    You have a 73 so your not gonna have to worry about a cat. If it were me I'd find a muffler shop and let build me one up like I wanted it. You could probably get it done on a Saturday morning. Thats gonna be your easiest route. Or you can go to the closest FLAPS and order a system and spend your weekend wrestling with it putting it on. In my experience what difference in cost is worth it most the time.
     
  3. Apr 4, 2007
    coby61

    coby61 Stupidiotic Member

    Prunedale CA
    Joined:
    Mar 10, 2004
    Messages:
    388
    If you have a factory service manual it should show a complete exhaust system for the 6cyl from manifold to tail pipe. My 1974 FSM breaks it down just no part # on it

    You can get the muffler and tailpipe here
    http://www.4wd.com/subcategories.aspx?sid=318

    I don't know about the manifold to muffler pipe, may have to get a muffler shop to make it if you need it.

    Hope that helps. :)
     
  4. Apr 4, 2007
    Rick

    Rick Member

    Hanson,Ma.
    Joined:
    Oct 19, 2006
    Messages:
    287
    The manifold to muffler pipe is a Walker # 44565. This is for a 258, but I'll say it's the same for the 232.
     
  5. Apr 5, 2007
    coby61

    coby61 Stupidiotic Member

    Prunedale CA
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    Mar 10, 2004
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    388
  6. Apr 5, 2007
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
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    Aug 10, 2003
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    23,596
    If you have a real tubing header and not the original cast iron exhaust manifold, the Walker parts won't fit. A muffler shop would be your best route if you have a header - they will make the parts to fit.
     
  7. Apr 5, 2007
    Brieoff

    Brieoff Member

    TX
    Joined:
    Jun 7, 2006
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    310
    Will Do.
    Sounds like we're all in agreement about the muffler shop.

    I agree with the less headache theory on this.
    I was thinking (or maybe not :p ) that I could just order a bolt on kit.

    No laughing please.
    Yeah right! I don't think I've done anything "bolt on" yet.

    Muffler shop it is!!

    Thanks guys.
     
  8. Apr 5, 2007
    Brieoff

    Brieoff Member

    TX
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    Jun 7, 2006
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    310
  9. Apr 5, 2007
    coby61

    coby61 Stupidiotic Member

    Prunedale CA
    Joined:
    Mar 10, 2004
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    388
    you have the stock manifold or a header???

    Walker makes the replacement parts.
     
  10. Apr 5, 2007
    Brieoff

    Brieoff Member

    TX
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    Jun 7, 2006
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    310
    Aren't they the same?

    Walker makes DynoMax.

    Do you think the Walker types are better quality than DynoMax?

    Thanks
     
  11. Apr 5, 2007
    coby61

    coby61 Stupidiotic Member

    Prunedale CA
    Joined:
    Mar 10, 2004
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    388
    Just trying to figure out if you are going restoration or performance.

    Performance I would have a custom system built by a reputable exhaust shop.

    Restoration I would order the Walker parts and bolt on!
     
  12. Apr 5, 2007
    Brieoff

    Brieoff Member

    TX
    Joined:
    Jun 7, 2006
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    310
    I'm a fan of bolt on if it works.

    http://www.rockauto.com has all the parts and for much cheaper.

    ---------------

    Thanks for everybody's help.
    Double for coby61.
    Thanks, coby.
     
  13. Apr 5, 2007
    Brieoff

    Brieoff Member

    TX
    Joined:
    Jun 7, 2006
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    310
    I went ahead and purchased the Walker parts from RockAuto.com

    I already have the exhaust manifold on the 232 and it appears to be in good shape.

    I ordered everything else, ran me just under $180 w/ shipping.

    Thanks
     
  14. Apr 17, 2007
    Brieoff

    Brieoff Member

    TX
    Joined:
    Jun 7, 2006
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    310
    Update:

    I installed the exhaust from RockAuto.com this past weekend.
    Bolted right up, fit good, no issues.

    Part List:
    WALKER 31404 (Exhaust Manifold Flange Gasket) $ 3.68
    WALKER 44564 (Pipe) $ 24.79
    WALKER 35408 (Clamp) $ 0.85
    WALKER 35408 (Clamp) $ 0.85
    WALKER 21885 (Muffler) $ 69.79
    WALKER 35335 (Clamp) $ 1.15
    WALKER 44565 (Pipe) $ 38.99
    WALKER 35408 (Clamp) $ 0.85
    WALKER 35209 (Exhaust System Hanger)$ 2.69

    The clamps are not a typo, you need them all.
    Also, RockAuto does not sell the exhaust manifold connector for the first pipe, just the gasket. So you can re-use the one you have if its in good condition, mine was, or you will have to find one somewhere else.
    Beware of that.
    Other than that it fit great.
     
  15. Apr 17, 2007
    timgr

    timgr We stand on the shoulders of giants. 2022 Sponsor

    Medford Mass USA
    Joined:
    Aug 10, 2003
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    23,596
    Great! Just a couple of suggestions that may help you:
    - if you used the composition exhaust gasket (the donut), it won't last. Felpro sells a steel donut that does. Jeep started supplying a steel ring to replace the composition one around that time, and in the next generation of manifolds cast-in the pipe's mating surface.
    - your exhaust system will stay together longer if you use double clamps and hangers. Put two clamps at every joint and turn one 90 degrees to the other. Use two hangers where you can, especially where the tailpipe comes out - that one gets broken pretty easily. You can also add some extra weld around the stubs where they go into your muffler - with enough banging, the stubs can break loose.
     
  16. Apr 17, 2007
    msarge

    msarge In Progress 1974 CJ5

    Hilliard, Florida
    Joined:
    Mar 18, 2006
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    175
    Has any one seen a stainless steel dual exhaust for 74 with 304?
     
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