Spending time reading all of the posting.
Regarding dealer demo.
Y-13 code.I purchased a Gran Coupe Convertible on Dec. 2008.
Folder full of documentation.
Buildsheet has a Y-13 code.
The car was built for Sierra Chrysler/Plymouth Fresno, Ca.
The built date is 929.
The car was sold Dec 21 1970.
The dealer had the car at least 12 month before selling it. Depends on when he received delivery.
The Y-13 code car is loaded with almost every option for the dealer to promote the new e-body style for the 70's.
The Gran Coupe Convetible has almost every option available.
Even a locking gas cap is listed on build sheet. It had the trailer package, since removed, without trailer package it would have had cruise control I assume.
You can't have both. Still sporting the original dealer license frame and Ca. tags from 1970.
Previous owner removed luggage rack and trailer hitch, replaced the Ca. rear valence with a duel exhaust thru valence.
He Added sport hood. Sold rubber bumper. Lot of changes by previous owner.
I switched the 14 in Mag wheels for 15 in Rallye.
The first picture is at a carshow at Van Nays Ca. with the previous owner.
AARuFAST