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WC cracked block repair?
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JM View Drop Down
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Joined: 12 Sep 2009
Location: United States
Points: 379 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JM Quote  Post ReplyReply Direct Link To This Post Topic: WC cracked block repair?
    Posted: 24 Apr 2010 at 4:16pm
My WC has a crack down most the left side of the engine. There was a patch over it wich was leaking a little, looks like it has been there a while. Is there a good way to weld the crack shut instead of patching? I have seen some cast iron engines repaired with brazing rod in the past. Does anybody know what kind of rod to use? Any other suggestions? Also, are the cracks between the cylinder  sleeves anything to worry about? Thanks, JM
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mlpankey View Drop Down
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Joined: 13 Sep 2009
Location: Vols country
Points: 4580 		Post Options Post Options   Thanks (0) Thanks(0)   Quote mlpankey Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2010 at 4:44pm
nickle rod . Belzona 111 is what i use though .
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Clay View Drop Down
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Joined: 11 Sep 2009
Location: Udall, Kansas
Points: 9876 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Clay Quote  Post ReplyReply Direct Link To This Post Posted: 24 Apr 2010 at 10:53pm
I have brazed them and also used nickle cast rod. Either method works quite well. 
Covering the area with Belzona 1111 is the finishing touch.  Properly applied, the Belzona will keep the casting from leaking.
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DrAllis View Drop Down
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Points: 21852 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 2010 at 7:07am
Best in-chassis fix for a crack on the left side is make a 1/8" or 1/4"  thick plate 2 to 3 inches wide and longer than the crack and drill/tap the block for 1/4" NC bolts and Hi-temp RTV silicone the plate to the side of the block after wire brushing off all the old paint. I'd drill a bolt hole every two inches or so. Cracks between the cylinder sleeves on the bottom mean the block is junk....two upper cracks next to each other (in my books anyway) also mean junk and if it's cracked on the side and in two or more places on top why wouldn't you just look for a different block???
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David Maddux View Drop Down
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Points: 2535 		Post Options Post Options   Thanks (0) Thanks(0)   Quote David Maddux Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 2010 at 7:32am
One of my old WC tractors was fixed with lead sodier. A nice flexible fix.
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Coke-in-MN View Drop Down
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Joined: 12 Sep 2009
Location: Afton MN
Points: 41979 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Coke-in-MN Quote  Post ReplyReply Direct Link To This Post Posted: 25 Apr 2010 at 8:51am
For some cast iron repairs this may be another method to try.
Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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