The Top 5 Missing Muscle Cars of all-time

#11

04-01-2025, 03:03 PM

Keith Seymore Keith Seymore is offline

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Quote:

Originally Posted by Steve Shauger

If the COPO process was used for color changes or truck/cab fleet orders they are Special Orders (SO). This has been discussed for years and there are many opinions.

By the time I started (1979) they were called Specialty Equipment Options (SEOs).

They are three character option codes but the format is slightly different (ie, 9C1, or E6D).

They were used for fleet and low volume production, like U Haul prep, special colors or Police package.

K

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