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Cummins 53 block update

S

SVcummins

Well-known Member
Got just over 3000 miles on the repair and no leaks put it under a few heavy loads and no leaks. Just for fun I thought I would see how much for the actual lock n stitch kit and block reinforcement they sell just over 1400.00$ makes my 300$ repair look pretty good. The block was junk and I figured didn?t have to much to lose by trying to repair it. Welded one crack and I don?t think the guy drilled the ends of the crack before welding actually talked to a few different guys about welding the crack and they all gave a blank look when I asked about drilling the ends of the crack and both make a living welding anyway I didn?t pay anything for the welding and that crack never completely sealed until I put some loctite epoxy over it . So that?s the story of a cracked 53 Cummins block and a way to fix one
 
Let's face it - Cummins are just plain
tough! BTW, do you know why it cracked
in the first place? If you mentioned it,
I missed it in the early editions of the
saga.
 
Cummins had the 53 block cast in Brazil and they cast the water jacket to thin and a block heats up and cools and flexes the thinner water jacket can?t take it . This glue I bought is able to flex with the block and that?s why it?ll work and jb weld won?t I tried jb weld on a transmission and it will not work it cracks and falls off in about 3 days of running
 
The "53" block problem was in the 24V blocks. Supposedly not all 53 blocks had thin water jackets either, but you will eventually find out if you have a bad one. The 53 12V blocks are said to be different and not known to crack but there aren't many 12V 53's out there.
 
Ya you can measure em and find out if it?s a thin one or not.
I?m not so scared of getting one now may look for another one
to try my repair on the especially if it?s a good deal otherwise
 
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