Cracked Block
#12
Not to thread hijack.... BUT... I have a 53 block with 165k on it... It has had a tuner on it from previous owner and i have on on it now. The prior owner towed a big camper... Like 10K ALLOT! How worried SHOULD i be? I dont wanna jinx myself so i wont mention the state of my block right now but im sure you get my drift!
Keep in mind that less then 1 percent of all 53 blocks crack and only those blocks measuring .253 or less in block thickness at the freeze plug opening. Been around these things for years, only seen 1 "53" block crack out of dozens that ive seen.
there has been tons of write ups about this but TDR has the best one out there.
---AutoMerged DoublePost---
heres more info, this isnt exactly a new topic
https://www.dieselbombers.com/24-val...-53-block.html
https://www.dieselbombers.com/24-val...formation.html
https://www.dieselbombers.com/24-val...53-blocks.html
Last edited by dukeboy_318; 04-12-2010 at 11:30 AM. Reason: Automerged Doublepost
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DieselWeasel (04-12-2010)
#13
We got a call on a motorhome with a cracked 53 block a few months ago. Freightliner wanted like $16k to fix it. They tried telling the customer that there was no way we could get a new block from Cummins and that the only answer was to replace the entire motor! Needless to say, I am pretty sure we will be doing that job here soon. . . .
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