Please help with exhaust system (with pics) M38A1

1952 - 1968, M38A1, M170, questions, discussions, regarding anything related to the M38a1 series.
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Toby W
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Please help with exhaust system (with pics) M38A1

Post by Toby W » Mon Mar 05, 2007 8:55 pm

Fellow M38A1ers
I tried to fit an exhaust system on my M38A1 today and I'm not sure if this is right way. When I purchased the M38A1 it had no exhaust on it at all!
To be honest I don't even know if this is the correct set up for M38A1 that I'm trying to fit! I was told it came off a M38A1....
Please give me your input, pictures would be nice.
Thanks
Toby :D
You can also tell that someone welded the pipe (near the clutch/brake pedal arms)....I think there's supposed to be a flange connection ...
If you need more pics , let me know....

Image
Image
Image


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koobster
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Post by koobster » Mon Mar 05, 2007 11:14 pm

looks like you got it right

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maeserik
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Post by maeserik » Tue Mar 06, 2007 12:39 am

did the same way on my M38

had this pic :
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Bob W
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Post by Bob W » Tue Mar 06, 2007 8:53 am

It looks like the hanger should be moved forward to the next crossmember. See item J in the illustration.

Bob W

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Post by Toby W » Tue Mar 06, 2007 10:58 am

Thanks for all the replies. :D
Yes - the hanger needs to be moved!
Was there no tailpipe that attached to the flange? (without having the fording kit installed)
The exhaust ended with a flange?...
Toby
Last edited by Toby W on Tue Mar 06, 2007 11:22 am, edited 1 time in total.

cmpman
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Post by cmpman » Tue Mar 06, 2007 11:15 am

Canadian M38s and M38A1s had a short pipe extension after the muffler to make sure the exhaust was well clear of the body. I'm not so sure the US used this extension though. The addition of the extension was a modification.

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Post by avlon01 » Tue Mar 06, 2007 11:38 am

Was the USMC m38A1 exhaust different?

Mine does not look like that...

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Post by Cuz » Tue Mar 06, 2007 11:30 pm

Avalon,
No they were not different.

Tom,
Looks like your front to middle pipe area was modified for some reason. Possibly it was once rerouted under the tranny crossmember to allow for a PTO drive shaft. You're system is still very close to stock. The A1 never listed a stub tailpipe to be used with the rear muffler tip. The M170 did.
Cuz (AKA Wes K)
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Post by maeserik » Wed Mar 07, 2007 12:34 am

1942 GPW 71336 - 1951 M38 MC11891

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Toby W
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Post by Toby W » Wed Mar 07, 2007 8:37 am

Thanks for the link.
Cuz: I did find a correct front pipe in my shop :shock: ...and also the front piece of the middle section pipe....all have the triangular flanges.... so I'll do some cutting and welding tomorrow and I should have a original looking setup by the weekend!
Sometimes, collecting stuff pays off! :D


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