CA hot manifold?
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=149759
Printed Date: 20 Aug 2025 at 6:34am
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Topic: CA hot manifold?
Posted By: Brian/Pa
Subject: CA hot manifold?
Date Posted: 23 Apr 2018 at 5:04am
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went to work on Dads CA last night and the manifold at the carb flange was hotter than hell, my C's and B don't get this way. sprayed some carb cleaner around to see if it was sucking air but is wasn't. I don't recall manifold getting that hot before. anyone have an idea what might be the issue? thanks in advance
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Replies:
Posted By: jaybmiller
Date Posted: 23 Apr 2018 at 6:03am
really lean mixture or advanced timing ?
I have to ask , does it perform( work) like it used to ?
Jay
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Posted By: Dave H
Date Posted: 23 Apr 2018 at 6:54am
I would check the timing first thing and then probably let her rip.
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Posted By: Stan R
Date Posted: 23 Apr 2018 at 6:57am
Posted By: wbecker
Date Posted: 23 Apr 2018 at 7:54am
Retarded timing will make exhaust hot.
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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152
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Posted By: Ed (Ont)
Date Posted: 23 Apr 2018 at 8:22am
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As wbecker says. Needs some more timing advance. Retarded timing will make the exhaust manifold cherry red if you are working it hard. Not sure where you time the CA but someone will tell yu. On the WD45 there is inspection window underneath at clutch and marks on flywheel.
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Posted By: Gerald J.
Date Posted: 23 Apr 2018 at 9:02am
Timing should be covored in the op manual which i don't have. It might be found at:
http://grandpas-tractor-site.s3.amazonaws.com/manuals/ac" rel="nofollow - http://grandpas-tractor-site.s3.amazonaws.com/manuals/ac
How it works should be covered in the shop manual:
http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf" rel="nofollow - http://geraldj.networkiowa.com/Trees/Allis-Chalmers-G-B-C-CA-Service.pdf
Gerald J.
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Posted By: wbecker
Date Posted: 23 Apr 2018 at 9:32am
If you static time it use the "DC" mark on the flywheel as seen through the hole on the left side of the torque tube.
If you have a timing light, adjust it while running to the "FIRE" mark on the fly wheel.
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Allis B, IB, Low B, G, D10, JD M, 8KCAB, C152
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Posted By: Brian/Pa
Date Posted: 24 Apr 2018 at 5:09pm
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timing is dead nuts, I just noticed that it gets hot. runs great, but I will check mixture after I get the final drive back on. replacing bull gear seal is a major pain in the butt. thanks again
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