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53 Block, how to tell?

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Old Oct 14, 2004 | 12:40 PM
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xp8103
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Question 53 Block, how to tell?
Yep... another "how to" question.
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Old Oct 14, 2004 | 12:42 PM
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Look at the drivers side of the block towards the front above the pan rail,it will be cast in.

Bob
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Old Oct 14, 2004 | 12:53 PM
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pan rail?
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Old Oct 14, 2004 | 12:55 PM
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Above the oil pan.

Squat in front of the drivers side front tire.
Look on the engine, right above the pitman arm.

I see a "??5K 1" with a big "56" under it.
(?? is behind a wire loom)


phox
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Old Oct 14, 2004 | 01:00 PM
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ah... can be seen from the engine bay or do you have to crawl under?

And I seem to recall that by late 2001, the "53" block and KDP were no longer problems?
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Old Oct 15, 2004 | 06:41 AM
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Thought I read here there were alot of "53's" in 01. Not sure about the KDP, shouldn't be hard to find a thread

The casting is easy to see from outside the well, no need to crawl under.
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Old Oct 16, 2004 | 11:42 AM
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Here's a pic of a 56 block.
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Old Oct 16, 2004 | 06:04 PM
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stupid question....whats the diff between the 53 and 56 block??
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Old Oct 16, 2004 | 06:50 PM
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#53's have thin castings at the water jacket.......they tend to crack much easier and readily than the #56's or the others.
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Old Oct 20, 2004 | 07:36 PM
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Originally posted by Tazman
Thought I read here there were alot of "53's" in 01.
Were there any 53's for 02? I might go look at an 02 HO and if there's a chance, it will be the first place I'll check out.
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Old Oct 20, 2004 | 09:12 PM
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an 02 with a 53 block would be a rareity
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Old Oct 21, 2004 | 06:53 AM
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Mine looks to be 28? It's 2-something.
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Old Oct 21, 2004 | 07:17 AM
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the casting numbers on a 53 are close to an inch tall and are cast into the block (not stamped) - if you dont see that, you dont have to worry.
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Old Oct 21, 2004 | 08:36 AM
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my 01.5 isnt but my buddys "new" 2000 is
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Old Oct 26, 2004 | 07:47 AM
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Originally posted by Dr. Evil
the casting numbers on a 53 are close to an inch tall and are cast into the block (not stamped) - if you dont see that, you dont have to worry.
Ok I dont see any numbers on it like that. Was cold out. Did a quick looky see. So did any blocks come without any numbers like that on them? Or has my block been replaced prior to me? Got the truck used.
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