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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Sat May 20, 2017 2:46 pm Post subject: Changing out exhaust on m38. Help! |
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Hey guys, I bought anew exhaust from kaiser to change our old one. Been under chassis all morning. This thing is a bear for me. Anyone got a diagram for a 52 exhaust? I am confused how the muffler is mounted in the back. Thanks for any help
[/img] _________________ 1952 M38 |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Sat May 20, 2017 6:03 pm Post subject: |
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I am embarrassed to say I have been under this jeep all afternoon trying to make it fit. Thanks for heads up on rotating the muffler. I have been combing the reference material here but can find a picture of rear exhaust showing hanger bar and how it is atrachwd _________________ 1952 M38 |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16256 Location: Wisconsin
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OKCM38CDN Member
Joined: Feb 17, 2012 Posts: 530 Location: Del City, OK
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Posted: Sat May 20, 2017 8:43 pm Post subject: |
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Looking at your photo your muffler needs to rotate counter clockwise 1 hole as it needs to sit flat parallel with the frame, not on its site... Try that...
If that does not fix the problem; your problem is more than likely the Long exhaust pipe, the early ones were bent wrong near the end where the muffler attaches, you will need to heat it up or take it to a muffler shop to have it bent properly.
John B from Midwest had this problem with his units when they first came out... I got one and had to do the heat and bend thing under the jeep.
John has since had his units corrected... I bet Kaiser Willys is still selling some of the older types and that may be your problem...
I hope this helps... _________________ Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Sun May 21, 2017 8:49 am Post subject: |
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thanks guys!!! I definetly had muffler turn wrong and have corrected it. The picture of rebuild helped me tremendously . Makes sense now . Hal , good info too. I Might have one of those ! _________________ 1952 M38 |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Sun May 21, 2017 8:54 am Post subject: |
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Here is muffler I replaced. Not sure what the rebuilder used for it
[/img] _________________ 1952 M38 |
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skyjeep50 Member
Joined: Feb 20, 2007 Posts: 606 Location: Illinois
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Posted: Sun May 21, 2017 10:09 am Post subject: |
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I had the same problem replacing my M38's exhaust. Bought everything new from the exhaust manifold to the muffler. Surprise - the components didn't fit correctly! The reason - the manufacturer didn't put the bends and flanges in the correct places. And the mounting is not flexible enough, bolts up only one way, to allow the pipe and muffler to rotate into the correct position. Even after returning parts for supposedly better fitting replacements, I was no closer to getting a proper fit. My solution was to take everything to a friendly neighborhood exhaust shop and have the pipe bends tweaked, flanges cut off and rewelded, enough so they fit properly. The guy told me he could form up a new exhaust pipe easier than bend the existing pieces but I wanted to retain the flange bolted system. You can't bend exhaust pipe without the right tools. Cost an extra $100 to make it right and now its perfect! _________________ 1951 M38 |
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charliebrowndog Member
Joined: Sep 17, 2016 Posts: 17 Location: New Hampton, NH
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Posted: Sun May 21, 2017 5:52 pm Post subject: |
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Same problem here. A couple of weeks ago I spent a half a day trying to cram a Kaiser muffler into my M38. With the correct brackets it would not fit. I ended up cutting out almost 2 inches and it aligned perfectly. I've learned the hard way to buy the correct parts from reputable suppliers.
_________________ Tripp Cantwell
1952 M38
MC62332
US Army 20909964
Restoration Photos: www.trippsjeep.com |
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OKCM38CDN Member
Joined: Feb 17, 2012 Posts: 530 Location: Del City, OK
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Posted: Sun May 21, 2017 9:11 pm Post subject: |
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Trip, they sent you an M-38A1 exhaust pipe, it is longer than the M-38 Pipe...
This is problem with these folks, they claim to be experts and do not know parts from one jeep will not fit another... _________________ Hal, KB1ZQ
TSGT, USAF (Ret)
1952 M-38 CDN CAR 52-31313
1952 M-100 Strick #104
1951 Willys Wagon (For Sale)
1954 Willys M38A1 201001205
Tornado Alley
Del City, OK |
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Mon May 22, 2017 8:47 am Post subject: |
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Great Pic Charlie, it all makes sense now why i spent all weekend thinking i was crazy! Heres is what mine looks like now. I guess i have entered a "Bubba" mod. I feel like calling them and asking them WTHeck!
_________________ 1952 M38 |
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4x4M38 Member
Joined: May 30, 2014 Posts: 3447 Location: Texas Hill Country
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joebuck Member
Joined: Jul 16, 2013 Posts: 174 Location: oxford mississippi
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Posted: Mon May 22, 2017 9:25 am Post subject: |
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Good Point! my kids wear me out for taking the Hook off to put that hitch haul bracket on. "Its not original Dad!' "Take it off!" but they dont complain when i haul haul their deer out of woods _________________ 1952 M38 |
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