Hope you find this helpful - not sure of total accuracy but, what the heck!!

1967-1972 Model Number Codes(The Model Number is located on the inside of the glove box door.)
Example: C E 2.05 8 05 Z 141198
Chassis Designation (1st digit) · C = 4x2; K = 4x4; P = Forward Control
Engine Designation (2nd digit) · E = V-8 Gas; S = Six Cylinder Gas
GVW Range (3rd Digit) · 1 = 1/2 Ton; 2 = 3/4 Ton; 3 = 1 Ton
Cab To Axle Dimension (4th Digit) · 05 = nsure?; 07 = 42"-47"; 09 = 54"-59"; 10 = 60"-65"; 12 = 72"-77"; 13 = 78"-83"; 14 = 84"-89"; 15 = 90"-95"
Model Year (5th Digit) · 7 = 1967; 8 = 1968; 9 = 1969; 0 = 1970; 1 = 1971; 2 = 1972
Body Type (6th Digit) · 02 = Flat Face Cowl; 03 = Cab & Chassis;
04 = Pickup w/ Cab & Stepside Bed; 05 = Panel; 06 = Suburban;
09 = Cab, Platform, and Stake Rack; 12 = Windshield Cowl;
16 = Suburban (Tail and Liftgate); 26 = Custom Suburban (Panel Rear Doors);34 = Pickup w Fleetside Bed; 35 = Forward Control (Square Front);
36 = Deluxe Suburban (Panel Rear Doors); 42 = Forward Control Chassis;
45 = Forward Control Panel (Round Front)
Assembly Plant · A = Atlanta; B = Baltimore; F = Flint; J = Janesville;
N = Norwood; P = Pontiac (GM Truck); S = St. Louis; T = Tarrytown;
Z = Fremont; 1 = Oshawa, Ont., Can.
Vehicle Serial Number · 100001 = 1st Unit Built:o

Thanks for the info

i dont have a glove box :whine: