Here is an online fender tag decoder.
http://www.mymopar.com/index.php?pid=85CAR: Plymouth Barracuda 2 Door Convertible
ENGINE: 318cid 2-bbl V8
TRANSMISSION: 3-Speed Automatic
TIRES: Unknown tire code
BUILD DATE: November 02.
AXLE: 2.76 Rear Axle Ratio
INTERIOR: High Trim Grade, Vinyl Bucket Seats. Black Interior.
PAINT: Monotone Biege Paint.
OTHER: Black Upper Door Frame Color.
MOLDINGS:
78: Wheel Lip Mouldings
ABC OPTIONS:
H1: Power Brakes
R1: AM Radio
Y1: Black Convertible Top
abc OPTIONS:
a6: Console
b4: Bucket Seats
h7: Fender or Hood Mounted Turn Signal Indicators
u1: Sold Car When Built (Somebody Ordered It)
w6: Build to Spec's for Canada