1966 fender tag decoder question

Bogie said

Try the Dodge Charger.org one it decided mine.
DodgeCharger.org -- 1966 Fender Tag Decoder

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I like that , w6 is a choice of spotlight, built for Canada, or new car set up with 5 gallons of gas. The same choices I found in my book. Too bad it couldn't be narrowed down closer.