First Digit: Model Year: 8 = 1968.
Second Digit: Assembly Plant
F Dearborn, Michigan
R San Jose, California
T Metuchen, New Jersey
Third and Fourth Digits: Body Series
01 2 Door Hardtop
02 2 Door Fastback
03 2 Door Convertible
Fifth Digit: Engine
T 6 Cyl. 200 CID, 1 barrel carburetor
C 8 Cyl. 289 CID, 2 barrel carburetor
A 8 Cyl. 289 CID, 4 barrel carburetor
K 8 Cyl. 289 CID, 4 barrel carburetor (high performance)
S 8 Cyl. 390 CID, 4 barrel carburetor
R 8 Cyl. 428 CID, 4 barrel carburetor
Last Six Digits: Basic Production numbers
Starting with 100001