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WD, what have I got???

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Dave/cvny View Drop Down
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Joined: 11 Sep 2009
Location: Cherry Valley
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave/cvny Quote  Post ReplyReply Direct Link To This Post Topic: WD, what have I got???
    Posted: 17 Sep 2012 at 1:56pm
I have a WD serial #117077 that I took the motor out of yesterday as it had developed a knock. I thought it was stock but the stroke measures at 4.5 and the pistons are also 4.5 across. The pistons are Alcoa aluminum #224753 and they are flat top. The number on the engine block is 328939 PA. The crank has a casting # of U 3986.
After teardown we found that the #4 crank/ rod bearing spun, the crank is not to bad and we think it can be turned.
So I guess my question is is this an M&W kit or not and what do I have? What is the displacement of this motor?
While I have it torn apart it is gonna get some new tin and some new paint! I might even use it to go pulling!Smile
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CTuckerNWIL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 17 Sep 2012 at 3:31pm
Wd45 crank and who knows what kind of pistons and sleeves. 286.2783 cubic inches at 4.5 x 4.5 according to my calculator.That engine number is about mid 1952 WD range.


Edited by CTuckerNWIL - 17 Sep 2012 at 3:34pm
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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Allis dave View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Allis dave Quote  Post ReplyReply Direct Link To This Post Posted: 18 Sep 2012 at 7:31am
M&W kits had a 4.125 bore. The pistons are easy to identify because they say either M&W or maybe just M on the side. I can't remember which.
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Gary View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary Quote  Post ReplyReply Direct Link To This Post Posted: 18 Sep 2012 at 7:38am
Dave
Are you certain of the  4 1/2" Pistons ?
 
Can't imagine  4 1/2" Pistons in a WD or  45  Block.
 
Gary
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Dave/cvny View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Dave/cvny Quote  Post ReplyReply Direct Link To This Post Posted: 18 Sep 2012 at 3:16pm
Ok so I guess I better get my eyes checked! The pistons are only 4 inches across!!! But they are aluminum made by Alcoa.Embarrassed
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CTuckerNWIL View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote CTuckerNWIL Quote  Post ReplyReply Direct Link To This Post Posted: 18 Sep 2012 at 7:23pm
Then you have a 226 cubic inch engine. Same as the 45's
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Lena 1935 WC12xxx, Willie 1951 CA6xx Dad bought new, 1954WD45 PS, 1960 D17 NF
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