Farm Equipment - U Exhaust Manifold Repair

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U Exhaust Manifold Repair

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=127915
Printed Date: 19 Dec 2025 at 6:20am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: U Exhaust Manifold Repair

Posted By: 51ACWD
Subject: U Exhaust Manifold Repair
Date Posted: 27 Aug 2016 at 6:24pm

I've been working on the exhaust manifold to my 1936 U. This manifold has the front, and the side exhaust. I took off the old, broken exhaust elbow and have one on its way from Norm Meinert. I did, however notice that my manifold has 2 or 3 holes in it. They're small, which leaves me to ask, could I repair with a high heat exhaust repair epoxy? This leaves me worried about the overall condition of the manifold as parts are few and far between for the U.

Replies:

Posted By: Tcmtech
Date Posted: 27 Aug 2016 at 6:34pm

Why not just have someone who is competent in cast iron welding and brazing weld them shut?

Posted By: 51ACWD
Date Posted: 27 Aug 2016 at 6:35pm

I suppose I could, if I could find somebody.

Posted By: wbecker
Date Posted: 27 Aug 2016 at 6:46pm

if it has small holes it may be too thin to weld, but if blasted clean it would braze well.
Bill B

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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152

Posted By: HudCo
Date Posted: 27 Aug 2016 at 8:04pm

lets see a picture of the breakage

Posted By: WF owner
Date Posted: 28 Aug 2016 at 9:04am

Many years ago, to keep our old cars going, we used to braze car manifolds using coat hangers instead of brazing rod. The coat hanger material would take more heat than regular brazing rod.