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Wd 45 block
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gman11110 View Drop Down
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Joined: 25 Nov 2011
Location: louisiana
Points: 61 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gman11110 Quote  Post ReplyReply Direct Link To This Post Topic: Wd 45 block
    Posted: 09 Jul 2020 at 11:28am
I just purchased a WD 45.  oil pan was full of water.  tore engine down and found cracks between cylinder sleeves at top and bottom.  Any way of repairing or do I need another block. 
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22054 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 11:37am
It is probably repairable, depending on where you live, but I'd bet the cost for six places of repair would be more than a good used block.
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8652 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 11:45am
Just remember that cracks at the top are not a problem. the cracks in the lower webs are
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garden_guy View Drop Down
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Joined: 05 Jul 2013
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Points: 1152 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 11:51am
How do you (or a specialty shop) repair lower web cracks?
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22054 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 12:10pm
They put the block in an oven and weld (braze) the cracks and then re-machine everything when done. Not cheap and very few places can do it. They also weld up cylinder heads.
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gman11110 View Drop Down
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Joined: 25 Nov 2011
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Points: 61 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gman11110 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 1:44pm
that's what I'm thinking  Think I would be wasting my time if I cleaned block and tried jb weld on top and bottom of bottom web
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DrAllis View Drop Down
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Points: 22054 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 2:12pm
There is absolutely no structure to J.B. Weld. The block will still open and close at those lower cracks as temperature and load changes. A total waste of time.
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gman11110 View Drop Down
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Joined: 25 Nov 2011
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Points: 61 		Post Options Post Options   Thanks (0) Thanks(0)   Quote gman11110 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 2:23pm
thanks  I will search for another block
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garden_guy View Drop Down
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Points: 1152 		Post Options Post Options   Thanks (0) Thanks(0)   Quote garden_guy Quote  Post ReplyReply Direct Link To This Post Posted: 09 Jul 2020 at 4:46pm
Originally posted by DrAllis DrAllis wrote:

They put the block in an oven and weld (braze) the cracks and then re-machine everything when done. Not cheap and very few places can do it. They also weld up cylinder heads.


Oh yeah, that sounds.... very specialized and difficult. Can't imagine the size of the oven nor how exactly they pull this off. However, nice that they can still salvage the blocks.
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