Farm Equipment - 426 exhaust manifold bolts

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426 exhaust manifold bolts

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=201662
Printed Date: 23 Sep 2024 at 2:33am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: 426 exhaust manifold bolts

Posted By: Gary(WI)
Subject: 426 exhaust manifold bolts
Date Posted: 05 Jun 2024 at 8:46am

Do 426 exhaust manifold bolts actually have different tread pitch then 1/2 x 13

Replies:

Posted By: injpumpEd
Date Posted: 05 Jun 2024 at 10:18am

No, but they did use a "self locking" type of bolt. I use regular grade 8 on the puller.

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210 "too hot to farm" puller, part of the "insane pumpkin posse". Owner of Guenther Heritage Diesel, specializing in fuel injection systems on heritage era tractors. stock rebuilds to all out pullers!

Posted By: SteveM C/IL
Date Posted: 06 Jun 2024 at 1:05pm

They must of used that locking thread for a reason. Ed's isn't together for 1000's of hours so he has no trouble.