wd 45 pistons
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=18291
Printed Date: 06 Feb 2025 at 6:49pm
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Topic: wd 45 pistons
Posted By: AaronH
Subject: wd 45 pistons
Date Posted: 15 Sep 2010 at 6:42pm
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I am looking to bump up the compression , which pistons are the best choice? I have heard of HC wc pistons or should I be looking for some 175 pistons? I am looking for ease of application and want more power out of it to pull in the antique pulling class. Sure I have cam shopping to do, but I want to see what the options are here first.
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Replies:
Posted By: CTuckerNWIL
Date Posted: 15 Sep 2010 at 7:15pm
I thought I read on here several times that you can put WC, WD pistons in the 45 and since the pin is further from the top it ups the compression. You may have to do some measuring and ask around because I have heard different kits have different height pistons.
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Posted By: Roddo
Date Posted: 15 Sep 2010 at 9:18pm
You can buy a kit from A&I that comes with 1/8" overbore liners and flat top pistons. That bumps the compression as well since the dish is missing where the "power crater" used to be.
It sure made a difference on mine. I think I should be running premium fuel sometimes since it knocks a bit when you really work it plowing or what have you.
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Posted By: d17brown
Date Posted: 16 Sep 2010 at 7:12am
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i can get the new a@I kits for you
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