Engine Identification - need help

Mopar General Discussions

  1. Machmeter1

    Machmeter1 FABO Gold Member FABO Gold Member

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    Good evening,
    I think a found a year correct engine for my 69 Barracuda. I compared all numbers (Heads, Block, Intake etc.) but here is what confuses me:

    The stamped number on the block I want to buy shows PM318R 26142457 (which I believe should have been built on 23. Sep 1968 - would theoretically suit my car built-in 07. Jan1969

    The Mopar parts Catalog for 69 gives an example for all 68 engines
    Date code 2187 - 24. July 1968

    If I put the number 2187 in the maxwedge calculator I get
    Date code 2187 - 24. July 1967

    So what is now correct - or am I just on the wrong path? Here are screenshots:

    Thanks, Wolfgang

    69 catalog.png

    parts list 69.png
     
    Last edited: Nov 10, 2019
  2. Alaskan_TA

    Alaskan_TA Well-Known Member

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    2614 is the date code - September 23rd 1968 (1969 model year)
     
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    • Jadaharabi

      Jadaharabi FABO Gold Member FABO Gold Member

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      @Alaskan_TA Pm me please.
       
    • Dana67Dart

      Dana67Dart Like a fine wine, only getting better with age! FABO Gold Member

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      isn't that a casting number rather than a date code?

      look on the front, drivers side of the block just under the head for stamped in numbers which would have the model year, CuIn displacement C273 = 67 model year 273
      Build date 12-6 = Dec 1966 (car delivered 2-67)
      20181104_120947.jpg
       
    • Machmeter1

      Machmeter1 FABO Gold Member FABO Gold Member

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      Alaskan TA, thank you, just found that here .

      correlation table1.png
       
    • krazykuda

      krazykuda Well-Known Member FABO Gold Member How-To Section Editor

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      The last 8 digits on the block under the left side head are for date code and sequential number of engines built that day....

      How to ID a Small Block Engine Block:
       
    • Machmeter1

      Machmeter1 FABO Gold Member FABO Gold Member

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      Krazycuda, btw your articles are really informative - thanks for sharing your experience.
       
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