Other than color & registration I see NO difference in the 3 Bees I posted above.

What am I missing??

Does anyone have a clear copy of the Challenger engineering drawing Dave posted a pic of? What info is in the "REVISION" section?

I find it interesting that the Challenger drawing originated in March of '69 (5 months ahead of production), where as the Coronet drawing was drawn in November of '69 (3 months after production began). Who has / Where are the V60 drawings?