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B motor

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=202287
Printed Date: 22 Sep 2024 at 7:19pm
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com


Topic: B motor
Posted By: acd17toy
Subject: B motor
Date Posted: 15 Jul 2024 at 6:07pm

  What is the cold valve  clearnce setting on a 125 cu engine?



Replies:
Posted By: DrAllis
Date Posted: 15 Jul 2024 at 6:46pm
.015" cold


Posted By: steve(ill)
Date Posted: 15 Jul 2024 at 6:48pm
book says .010 HOT  ......... i normally do .012 cold .... .014 is OK to some.

---yea... should be 10 thou.. not 1.




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Like them all, but love the "B"s.


Posted By: HudCo
Date Posted: 15 Jul 2024 at 7:35pm
better loose on a hot day than to tight


Posted By: Gary
Date Posted: 16 Jul 2024 at 5:42am

Posted: 10 hours 48 minutes ago at 7:48pm
book says .0010 HOT ......... i normally do .012 cold .... .014 is OK to some.

Steve

Your book is different than what mine says.

Mine says .010" clearance at normal operating temp.

at .0010 ( 1 thou. ) would seem a little tight.

G

.....................................................................

In comparison, D-10 and D-12 Operators Manual:

Engine at Normal Operating Temp.

Intake Valves at .009", Exhaust Valves at .015" HOT





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