Date codes on voltage regulators

Discussion in 'Original Drivetrain Topic' started by GREGS396, Jul 1, 2020.

  1. GREGS396

    GREGS396 Veteran Member

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    I recently acquired several Delco Remy voltage regulators, and I'm in the process of looking them up for the correct applications. I have been told that the value of them widely depends on the date code. I have one for a Pontiac that's dated 08D. I assume that the 8 is the year since nothing else has a number. Another part of the puzzle is if it's 68 or 78 for the year.
     
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  2. 70lt1z28

    70lt1z28 Veteran Member Gold Member

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    Probably not 78. Everything had an internal regulator by 1978
     
  3. BillyDean7173

    BillyDean7173 Veteran Member

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    My 73Z has the internal regulator in the alternator and it's factory correct. Rebuilt by McCune on here and restored perfectly.
     
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  4. 70 SS/L78

    70 SS/L78 Veteran Member Lifetime Gold Member

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    Greg, yes you are correct. 08D is April 1968

    Far as I know many GM cars used the same regulator the year built. So that 08D could be used on more than one model of GM car for 1968.
     
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  5. Jim Streib

    Jim Streib https://www.flickr.com/photos/121766713@N04/albums

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    This is a backup for my 68 Chevy II Nova and the code of 8F denotes 1968 June.

    [​IMG]

    Maybe Pontiac and other divisions added to things like on yours being a 08D for Pontiac models but then was stamped 8D for the Chevrolet line ?

    Mine also has other numbers.

    I know finding some date code information for Chevrolet's can be tough and I can only imagine what might or might not be out there for the other divisions.

    Jim
     
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  6. COPO

    COPO Veteran Member Lifetime Gold Member

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    The date code would be 2nd on the list. First if you were looking for a 515 then that’s #1.
     
  7. 2ndGenCrazy

    2ndGenCrazy Veteran Member

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    Norwood 07C
     

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  8. GREGS396

    GREGS396 Veteran Member

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    This is one of them, and someone did write 67 Pontiac on the box. I got a few box lots from a garage that closed up. This is the only one in a GM box, the rest are the Delco Remy. 20200705_192213.jpg 20200705_192152.jpg
     
  9. GREGS396

    GREGS396 Veteran Member

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    I just looked at a few others, and they are the 525 dated 8C.
     
  10. KingofThings

    KingofThings Veteran Member

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    Hi Jim! I have the same car and I'll check mine shortly since the front is off except for the radiator support.
    I'd like to see your car, please.
     

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