Vehicle Identification Number - VIN
The Buick VIN number for 1977 had 13 Characters.
1st = What division of GM, "4" is for Buick.
2nd = Tell what TYPE of car it is (Skylark, Century, Riviera, ect..)
B - Skylark
C - Skylark Limited
E - Century Wagon
H - Century
J - Regal
K - Regal Sports Coupe
L - Century
G - Century Sports Coupe
M - Regal
P - LeSabre Limited
S - Skyhawk
T - Skyhawk S
X - Electra Limited
W - Electra Park Ave
V - Electra 225
F - LeSabre Sports Coupe
N - LeSabre
Z - Riviera
3rd and 4th = Tells Body Style
07 - Skyhawk Hatchback
09 - Aero 4dr
17 - Skylark 2dr hatchback
29 - 4dr Colonnade sedan
35 - 4dr 2 seat Wagon
37 - LeSabre 2dr coupe
47 - Regal 2dr
57 - 2dr coupe
69 - 4dr coupe
87 - 2dr coupe
5th = Engine Code
C - 231ci v6 2bl Carb
Y - 301 V8 4bl
U - 305 V8
H - 350 V8
L - 350ci V8
J - 350ci V8
X - 350ci V8
K - 403ci v8
6th = tell what year it is "7" = 1977
7th = What Plant the car was Produced
H - Flint MI
2 - Therese Canada
U - Lordstown OH
W - Willow Run MI
T - Tarry town NY
G - Framingham MA
Z - Fremont CA
C - Southgate CA
X - Fairfax KS
E - Linden NJ
9th - 13th = Production Sequence numbers
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