Pulling Forum - Flat top vs. M&W pistons

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Flat top vs. M&W pistons

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Category: Other Topics
Forum Name: Pulling Forum
Forum Description: Forum dedicated to Tractor and Garden Pulling
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=101166
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Topic: Flat top vs. M&W pistons

Posted By: WF owner
Subject: Flat top vs. M&W pistons
Date Posted: 29 Jan 2015 at 7:51am

There has been a few discussions about flat top pistons in the 201/226 engines. My question; Is there a big advantage of M&W pistons over flat top pistons?

Every time I run across a set of M&W pistons, they are asking pretty high prices for them. I can buy new flat top pistons for close to the same price as used M&W.

Replies:

Posted By: Charlie175
Date Posted: 30 Jan 2015 at 12:12pm

there is a new M&W kit on ytmag.com in the sale section for 500

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Charlie

'48 B, '51 CA, '56 WD45 '61 D17, '63 D12, '65 D10 , '68 One-Ninety XTD

Posted By: mattb
Date Posted: 30 Jan 2015 at 4:00pm

you can get a lot more compression out of the m and w piston if you use the ones for a 201 with a 226 crank.

Posted By: DrAllis
Date Posted: 30 Jan 2015 at 4:06pm

SP-46 is for a WC/WD engine................SP-48 is for WD45 and D17.