Farm Equipment - WC crank bearing shims

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WC crank bearing shims

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Category: Allis Chalmers
Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=11441
Printed Date: 24 Jan 2025 at 5:16pm
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Topic: WC crank bearing shims

Posted By: JM
Subject: WC crank bearing shims
Date Posted: 23 Apr 2010 at 9:27pm

Are these still available or do you have to make your own? Tore my engine down today, all the rod shims are gone, 1 left on the mains.Thanks, JM

Replies:

Posted By: CTuckerNWIL
Date Posted: 23 Apr 2010 at 10:03pm

I think the shims are still available. I made my own because I had access to brass shim stock. Many people have line bore the block and re-sized the rods and completely done away with the shims.

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Posted By: WC7610
Date Posted: 23 Apr 2010 at 11:27pm

After encouragement from Dick L, I just made main bearing shims tonight for a B engine. I did a google search on brass shim stock and came across a conversation on this subject on Smokstak website for hit'n'miss engines and that K&S has the brass 4" x 10" sheets in various thickness. I found my local Hobby Lobby carries this and got a sheet of .01" for 6.99 and .005" for $3.69 tonight. Traced one of the old shims and will finish cutting them tomorrow. I took 2 pieces of 1" oak scrap and drilled a hole in one board-lined up the traced bolt hole in the shim stock with the hole in the board-clamped the boards together to hole the sheet of shim and drilled the bolt hole for the shim. Then cut the rest of the pattern with heavy pair of sissors. For the .005" size, you can cut them out with a new blade in a utility knife.

Agco has these yet, but for mains are $5.05 each and 3 something for rod bearing shims. I know this because as Dave Ramsey would say "I paid my Stupid Tax" ;)

Google K & S and they have a store finder on their website. I went to what I thought was an "old time" auto supply store and they laughed at me when I asked for some shim stock.

Good luck!

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Posted By: GlenninPA
Date Posted: 23 Apr 2010 at 11:45pm

McMaster Carr has laminated brass shim stock available also.

Posted By: Gerald J.
Date Posted: 23 Apr 2010 at 11:47pm

McMaster also has much of the K&S line which is most commonly found in hobby shops and some hardware stores.

Gerald J.

Posted By: mlpankey
Date Posted: 24 Apr 2010 at 6:34am

Be money ahead to replace the rod bolts and have the rods sized so you dont need shims. jmho

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people if they don't already know it you can't tell them. quote yogi berra

Posted By: mlpankey
Date Posted: 24 Apr 2010 at 7:00am

on second thought this is jm the one who pulls? I would have my crank offset ground to a smaller rod that doesnt use shims and gain the stroke .

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people if they don't already know it you can't tell them. quote yogi berra

Posted By: powertech84
Date Posted: 24 Apr 2010 at 12:13pm

I just got a set of rods resized for $40, couldn't see messing around with shims for that money. If you really want shims, i could problly help you out for cheap if you want some of my used ones.