Farm Equipment - B

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B - C Motors

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=193374
Printed Date: 16 Oct 2025 at 2:55am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: B - C Motors

Posted By: SteveMaskey(MO)
Subject: B - C Motors
Date Posted: 08 Feb 2023 at 6:09pm

Got a question about the B – C motors. When they were put together new what was the shim thickness on each rod bolt. The service manual says shims are .002 but I think the ones they sell now are .004

Replies:

Posted By: steve(ill)
Date Posted: 08 Feb 2023 at 6:15pm

your right Steve.... appears someone in CHINA started cutting out .004 shims and putting 16 in a box...... Now 47 different vendors in the USA all sell the same kit..... Not much else available.............. .004 is TOO MUCH in many cases.... might have to make your own.

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

Posted By: Steve in NJ
Date Posted: 08 Feb 2023 at 11:26pm

Either that or get the engine align bored, and rods resized. No need for shims anymore.

Steve@B&B

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39'RC, 43'WC, 48'B, 49'G, 50'WF, 65 Big 10, 67'B-110, 75'716H, 2-620's, & a Motorhead wife