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Old Feb 27, 2008 | 07:02 PM
  #1  
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justviper1
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Default block series

i looked today to see if my 01 had the dreaded 53 block in it and believe that the numbers on it were 55. it was really hard to see. if there is a 55 series are there any known weaknesses or problems that i should be aware of? Thanks a lot for any help!
 
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Old Feb 27, 2008 | 07:43 PM
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Default RE: block series

nope. . .I believe 53's were the only ones with the issues, I do believe 54-56's are also made in brazil just like the 53's, however those are the newer revisions that have a thicker wall.
 
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Old Feb 27, 2008 | 08:01 PM
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Default RE: block series

where i need to look for that number drew?
 
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Old Feb 27, 2008 | 08:39 PM
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Default RE: block series

hey woligator it is on the left front the block. get under and look it is right under the ps pump and vaccum pump area it is a raised stamping let me know if that helped
 
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Old Feb 27, 2008 | 08:59 PM
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Default RE: block series

the blocks made in brazil have numbers you can see quite well. however there were some blocks made in mexico. the casting number on the block is very small and generaly unable to be read. the casting of these blocks have proven to be considerably stouter than the brazil cast blocks. BTW, the mexican blocks are also considerably heavier.
 
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Old Feb 27, 2008 | 10:09 PM
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Default RE: block series

ORIGINAL: Drew

the blocks made in brazil have numbers you can see quite well. however there were some blocks made in mexico. the casting number on the block is very small and generaly unable to be read. the casting of these blocks have proven to be considerably stouter than the brazil cast blocks. BTW, the mexican blocks are also considerably heavier.
I don't know if the fact you know this information should scare me or just flat impress me....Drew have we told you lately how much we appreciate you?
 
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Old Feb 27, 2008 | 10:22 PM
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Default RE: block series

Code 53 blocks came in 99 and 00 model years. The blocks tend to crack on the rear passenger side.
Mike
###
 
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Old Feb 27, 2008 | 10:33 PM
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Default RE: block series

ORIGINAL: lilfroger

ORIGINAL: Drew

the blocks made in brazil have numbers you can see quite well. however there were some blocks made in mexico. the casting number on the block is very small and generaly unable to be read. the casting of these blocks have proven to be considerably stouter than the brazil cast blocks. BTW, the mexican blocks are also considerably heavier.
I don't know if the fact you know this information should scare me or just flat impress me....Drew have we told you lately how much we appreciate you?
it sucks having a photographic memory where not all the film quite develops properly.[:@]
 
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Old Feb 28, 2008 | 01:44 AM
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Default RE: block series

Here ya go ...

http://www.stamey.info/Truck/Cummins53BlockFAQ.htm

The repair

http://www.locknstitch.com/cummins_5_9_block.htm
 
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Old Feb 28, 2008 | 08:16 AM
  #10  
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Default RE: block series

I have a 53 block with 177k on it and have not had any problems with it yet.

Now that I have said that twice in one day on DF, I expect it to crack at any moment.
 
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