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Thread: Spark Plug Base Color on 37 Dictator

  1. #1

    Spark Plug Base Color on 37 Dictator

    Can someone tell me, for 1937 Studebaker Dictators:
    1) is the color of the base of a spark plug an item examined during a national judging?
    2) if so, is the base silver metal, or a black color as I have heard?
    I have a 28 Harley with original plugs which are metal bases (unpainted) so I know that
    older vehicles came without painted bases. Howeve, maybe in the later 30s, this
    changed.
    Any help out there?
    Don Aust
    1937 Dictator "Doctor's" Coupe
    1937 Dictator Sedan
    1937 Coupe Express
    1928 Harley-Davidson JD
    1922 Harley-Davidson J

  2. #2

    Re: Spark Plug Base Color on 37 Dictator

    Blued metal was original. Plated plugs didn't arrive until the mid-1950s.

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