#53 block - Dodge Cummins Diesel Forum
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post #1 of 14 (permalink) Old 07-02-2009, 01:00 PM Thread Starter
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#53 block

some of you might have read my previous thread of my cracked block under the frost plugs on the passenger side. just looking for a way to repair that crack before i have to pull the engine and stitch it. drilled each end of the crack out to stop spread and drilled and tapped 1/8" plugs into each end. tried JB weld and superweld made by goop. both leaked. any idears please!?

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post #2 of 14 (permalink) Old 07-02-2009, 01:24 PM
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try grinding out the crack a lil and braze welding on it fo fill in the crack

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post #3 of 14 (permalink) Old 07-02-2009, 01:25 PM
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oh yeha got to be very very carful to not blow your block apart you cna only weld on it for like 2 seconds at a time or the block will crack even more cast holds lots of water and will pop and crack.

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post #4 of 14 (permalink) Old 07-02-2009, 02:07 PM Thread Starter
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that was one of my ideas i was thinkign about. hope it works. hopefully the block don't crack anymore, well it shouldnt if i got the ends drilled out. but cast does funny things when heated. have you done this yourself? or just heard of it? any one else got some ideas?
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post #5 of 14 (permalink) Old 07-02-2009, 03:11 PM
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ive done this on a buddys truck 4 years ago no problems. also done it on a 454 chevy. yeah cast is very funny on my buddys truck i drianed the water out popped the freeze plugs out on that side and put a heat lamp on it over night to sort of dry it out and i brazed it and worked good just got to do a little at a time

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post #6 of 14 (permalink) Old 07-02-2009, 07:01 PM
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i have heard not to weld them it makes it impossible to fix once they start leaking agian i am in the same boat as you think i am just butting a new block in

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post #7 of 14 (permalink) Old 07-02-2009, 07:18 PM
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i did one with no problems

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post #8 of 14 (permalink) Old 07-03-2009, 02:34 PM
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there is a company that makes a repair kit. I think it is called lock & stitch something like that

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post #9 of 14 (permalink) Old 07-03-2009, 04:01 PM
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i have heard of guys doing it. it just seems too risky to me, id get a new block so i can sleep at night
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post #10 of 14 (permalink) Old 07-03-2009, 04:07 PM
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patracy used lock n stitch on his, and it's holdin up good...

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VP truck that was traded for a
97, which was scrapped for a
02 Taco Prerunner Auto
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post #11 of 14 (permalink) Old 07-03-2009, 10:13 PM
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Quote:
Originally Posted by cmns2500 View Post
patracy used lock n stitch on his, and it's holdin up good...
Uhhh no I didn't. I used marine tex epoxy, but even that has now cracked and leaking again. I'm just watching a few engines right now. I'll O-ring, stud, and valve spring it, then swap it into my truck. I'm thinking I'll take my cracked engine to the best welder I know and let him work his magic on it. Maybe P-pump it and drop it in a chevy.
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post #12 of 14 (permalink) Old 07-03-2009, 10:57 PM
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Quote:
Originally Posted by patracy View Post
Uhhh no I didn't. I used marine tex epoxy, but even that has now cracked and leaking again. I'm just watching a few engines right now. I'll O-ring, stud, and valve spring it, then swap it into my truck. I'm thinking I'll take my cracked engine to the best welder I know and let him work his magic on it. Maybe P-pump it and drop it in a chevy.
Sorry to hear of your woes Patracy.
exhaust manifold, repair, cast iron, engine block, welding Heres a link for you guys who want some product to fix it with very detailed instructions.

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