82-85 2.8 block questions

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  • opel_inside
    • Jun 2016
    • 22

    #1

    82-85 2.8 block questions

    ok which bearing is smaller in these blocks, mains or rods or both ?

    is there anyway to externally id one of these smaller bearing blocks ?
  • Guest

    #2
    Mains. There is an external tell tale, but don't recall what it is.

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    • carbon
      Procrastinator
      • Dec 2005
      • 388

      #3
      Two piece main seals?

      Or did you mean bare block identifier?
      Last edited by carbon; 10-17-2016, 09:28 AM.
      sigpic

      "When you don't do anything, you have plenty of time to post questions that don't mean anything tomorrow."
      - Ben

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      • Sawlog
        • Jan 2017
        • 1

        #4
        I realize this thread is semi-old, but at least I tried to search before posting.

        I have a 1986 s10 with a 2.8. I drove it off the lot in February or March of 1985. Is there anyway to tell (while the engine is still in the truck) whether or not I have the small or large bearing crank? VIN is: 1GCBS14BXF8168XXX

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