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free vin decode for gm 1981

1: U.S. BUILT
G: GENERAL MOTORS
T: GMC TRUCK
H: GVWR RANGE 9001-10000 BRAKE SYSTEM - HYD
P: FORWARD CONTROL 4 X 2
3: 1 TON
2: FORWARD CONTROL
T: DISP - 4.9L CARB - 4BBLT DIV - 2 PRODUCING DIV - 2
T: DISPL - 4.8L CARB - 1BBL DIV - C,T PRODUCING DIV - C
9: CHECK DIGIT
B: 1981 MODEL YEAR
3: DETROIT (CHEV) MI
BuildDate: 20141110