BUILDSHEET! I found mine!!!!

found it...still not sure the build date....
Make: B = Plymouth Barracuda
Price Class: P = Premium
Body Type: 29 = 2 Door Sports Hardtop
Engine: D = 273 180HP 1-2BBL or 235HP 1-4BBL 8 CYL
Model Year: 6 = 1966
Assembly Plant: 2 = Dodge Main, Hamtramck, MI, USA
Sequence Number:572652 = 472652th Vehicle