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37 cracked exhaust manifold
Just can't stay away
Joined:
2019/7/23 5:18
From Sarasota, Florida
Posts: 51
I am asking this out of ignorance. Do you suppose JB Weld would work on a cracked exhaust manifold?

Posted on: 5/17 7:16:35
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Re: 37 cracked exhaust manifold
Not too shy to talk
Joined:
2011/1/20 21:49
From Spokane, WA
Posts: 14
I've heard it tried on Ford 8N tractors, but not on a Packard. It's not like you have much to lose by trying it!

Posted on: 5/17 7:35:00
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Re: 37 cracked exhaust manifold
Quite a regular
Joined:
2015/5/22 13:23
From Lake Lanier, Georgia
Posts: 39
If you do try it, use the right one. They have a extreme temperature version. I've seen it used in an industrial application by pipefitters and millwrights on ducting and piping for temporary repairs to get through to a shutdown or outage scenario. Take note it doesn't have the same mechanical properties of the regular JB Weld.

Posted on: 5/17 8:00:51
_________________
1948 Custom Eight Victoria Convertible
Others:
1941 Cadillac Series 62 Deluxe Convertible Coupe
1956 Oldsmobile 88 Sedan
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Re: 37 cracked exhaust manifold
Home away from home
Joined:
2016/3/13 15:24
From Coalmont, B.C., Canada
Posts: 856
Brazing not an option Cartrich?? A far superior 'fix' and properly done, will last. I had a cast mixing elbow on the diesel in my sailboat brazed and it lasted 20 years before cracking again. Lots of heat there and with the constant cold water mixing, lots of temperature change. Worth considering. Chris.

Posted on: 5/17 11:08:53
_________________
'If you think you can, or you think you can't, you're right!' Henry Ford

1939 Six, Model 1700

http://packardinfo.com/xoops/html/modules/registry/index.php?Action=view&ID=1823
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Re: 37 cracked exhaust manifold
Just can't stay away
Joined:
2019/7/23 5:18
From Sarasota, Florida
Posts: 51
Brazing is not out of the question. I was just being lazy seeing how JB Weld has fixed just about everything I've used it for so far.

Posted on: 5/17 11:31:35
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Re: 37 cracked exhaust manifold
Quite a regular
Joined:
2016/10/6 6:59
From Grants Pass Oregon
Posts: 35
If you can find an old experienced welder who has the correct welding rod, they can be arc-welded. Bob

Posted on: 5/17 16:19:26
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Re: 37 cracked exhaust manifold
Home away from home
Joined:
2010/8/18 5:19
From Viola, ID (but living in Norfolk, VA)
Posts: 769
Having seen metal stitching used a few times now, I would advocate stitching over brazing or welding - far fewer complications with embrittlement, weld contamination, etc.

I used Loc-N-Stich's product on my 115C engine block. They were very helpful, and I am sure they could advise you if a repair using that method would be practical.

Posted on: 5/18 8:18:54
_________________
1937 120 1092 - Original survivor for driving and continued preservation.

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Past Packard storage locations:
Amelia Island, FL
Saratoga Springs, NY
Viola, ID
Groton, CT
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Re: 37 cracked exhaust manifold
Home away from home
Joined:
2008/2/16 15:39
From Santa Fe
Posts: 5367
I would try and find a good one before for going through all the drama of trying to mend the crack. David Flack, David Moe and others may be able to help you locate a sound manifold.

Posted on: 5/18 8:19:02
_________________
Packards Owned -
37 Six (115C) Convertible Coupe (1089) - Now in Belgium
47 Clipper Custom Super Touring Sedan (2122) - Now in Virginia
55 Cipper Super Sedan (5542) - Now in Maryland

We move toward and make happen what occupies our mind. (W. Scherer)
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Re: 37 cracked exhaust manifold
Home away from home
Joined:
2012/8/22 16:17
From Citrus Heights, CA
Posts: 101
Hi,
I recently had the exhaust manifold on my 1929 re-enameled by Tom Sparrow at Prairie Auto Porcelain in Minnesota (507-581-9887). Tom told me where to look for cracks in my manifold while we were talking on the phone...he knows these manifolds extremely well. Sure enough...mine was cracked right where he said it was. I sent it back and he had a guy, I think in Nebraska, weld it.

I also had a cracked cylinder head on the same car which Rick Geertsema at A&C Casting Rebuilders (415-269-5483) in Kelseyville, California repaired. He's not cheap, but welding cast iron is a serious mix of art and science. Rick works on everything from one of a kind antique tractor mainfolds to engine blocks for Salt Flat racers.

Both Rick and Tom do work for most of the major restoration shops and the quality of their work is top shelf.

John Wogec

Posted on: 5/18 13:00:49
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