Farm Equipment - uc compression

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uc compression

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=4018
Printed Date: 14 Jan 2025 at 8:13pm
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Topic: uc compression

Posted By: johnny
Subject: uc compression
Date Posted: 21 Nov 2009 at 11:27pm

I checked the compression on my uc tonight and it appears to be 90 to 95 in each cylinder. Is this normal or is it low. I know someitmes that the dual fuel engines are a little lower and I think all UC's were dual fuel. Let me know what you think.

thanks

johnny

Replies:

Posted By: Fred in Pa
Date Posted: 22 Nov 2009 at 6:43am

Running compression or spinnning the motor over with all the plugs out .Hot or cold engine?

Posted By: johnny
Date Posted: 22 Nov 2009 at 1:29pm

I had only pulled out one plug at a time to check it. The engine was cold and I was just spinning the engine with the starter. Thanks for the reply Fred.