Hitman's Pontiac Trans Am Site

Example: 1G2AS87AXBN100001

1st digit - Country
1 = USA

2nd digit - Manufacturer
G = General Motors

3rd digit - GM Division
2 = Pontiac

4th digit - Restraint System Type
A = Non-Passive Restraints (manual seat belts)

5th digit - Series Number
S = Base Firebird
T = Esprit
U = Formula
W = Trans Am (75 - 81)
X = Special Edition/Turbo Indy Trans Am Pace Car (81)

6th and 7th digit - Body Type
87 = Sport Coupe

8th digit - Engine Code
A = 231 c.i.d, 2-bbl V6 (1978 - 81)
H = 305 c.i.d, 4-bbl V8 (1980 - 81)
S = 265 c.i.d, 2-bbl V8 (1980 - 81)
T = 301 c.i.d, TC 4-bbl V8 (turbo) (1980 - 81)
W = 301 c.i.d, 4-bbl V8 (1979 -81)

9th digit - Check Digit

10th digit - Model Year
B = 1981

11th digit - Assembly Plant
N = Norwood, Ohio
L = Van Nuys, California

Last 6 digits - Production Number
100001/up