Cracked block repair

[Rishsd]

So I have been fighting a antifreeze leak since I bought the truck. When I bought it the dealership told me everything was in good working order and the reason the antifreeze was low was because the freeze plugs were leaking ( no big deal) I drove it home 200 miles no problems. When I got home the I wanted to repair the leak I purchased new freeze plugs and went to repair this. When the starter was removed what I found was heart sinking. The block was cracked . It had silicon on it that was somewhat fresh (like that is going to fix it) I got screwed. I attempted to use Blue Devel, K&W fiberlock (good temp fix), and JB Weld. The JB Weld did not hold and turned into a white flaky metal.

Below is what the original crack looks like


So yesterday I called a company called Locknstitch they say that their product is a perminate repair it cost me $535 + shipping for all the stitches and tools. I am going to do a video and write up on this post when this repair is done.

[2000-7.3L]

Good luck trying to fix that. Iv seen them get worse!!! Rod blow out the side !

[merc123]

What caused it and how many miles?

[ZMANN]

I wouldn't put that kind of money in a repair attempt on that mess

[ZMANN]

no thanks
but good luck

Cast Iron Crack repair - YouTube

Cast Iron Crack repair - YouTube

[Rishsd]

Merc123, 200000 miles, I would imagine that it is a true freeze crack

Autofair Diesel Parts, after the repair was done? Or just random after the crack?

[2000-7.3L]

Originally Posted by ZMANN

no thanks
but good luck
Cast Iron Crack repair - YouTube

Yupp all set!!

[ZMANN]

I agree it looks like a true freeze crack at the outer water jacket ( outside of block so that means the coolant wasn't proper and what about the inner jacket or other areas you can't see ?
and that coolant issue would lead to other proper maintenance questions

[2000-7.3L]

Originally Posted by Rishsd

Merc123, 200000 miles, I would imagine that it is a true freeze crack

Autofair Diesel Parts, after the repair was done? Or just random after the crack?

Iv seen it after the crack was there!

[Rishsd]

Zmann, I had a blackstone report done on the oil there was no antifreeze in the oil. It does not smoke so I would guess that the inner jackets were fine. As for proper maintance, the oil is the cleanest I or anyone that changes my oil (yes I don't change my own oil too much money) has ever seen. there is very little blow by. The injectors, injector sleeves, Non-EBPV pedistal, alternator, AC compressor, starter, batteries, UVC harness, and Valve cover gaskets are all new replaced by me. The only big things you have left on this engine is HPOP, and Turbo (no play in shaft)