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General Motors

Application Axle Gap (Inches) (1) Caster (Degrees) Camber (Degrees) Toe-In (Inches) Steering Axis Inclin. (Degrees)
C10 2 1/2 2.4±1.0 0.2±0.7 3/16 .....
2 3/4 2.1±1.0 0.2±0.7 3/16 .....
3 1.8±1.0 0.2±0.7 3/16 .....
3/4 1.5±1.0 0.2±0.7 3/16 .....
3 1/2 1.2±1.0 0.2±0.7 3/16 .....
3 3/4 1.0±1.0 0.2±0.7 3/16 .....
4 0.7±1.0 0.2±0.7 3/16 .....
4 1/4 0.5±1.0 0.2±0.7 3/16 .....
4 1/2 0.2±1.0 0.2±0.7 3/16 .....
4 3/4 0.1±1.0 0.2±0.7 3/16 .....
5 0.3±1.0 0.2±0.7 3.16 .....
C20 & 30 2 1/2 1.5±1.0 0.2±0.7 3/16 .....
2 3/4 1.2±1.0 0.2±0.7 3/16 .....
3 0.9±1.0 0.2±0.7 3/16 .....
3 1/4 0.6±1.0 0.2±0.7 3/16 .....
3 1/2 0.3±1.0 0.2±0.7 3/16 .....
3 3/4 0.1±1.0 0.2±0.7 3/16 .....
4 0±1.0 0.2±0.7 3/16 .....
4 1/4 -0.1±1.0 0.2±0.7 3/16 .....
4 1/2 -0.7±1.0 0.2±0.7 3/16 .....
4 3/4 -0.1±1.0 0.2±0.7 3/16 .....
5 -1.2±1.0 0.2±0.7 3/16 .....
K10, 20 & 30 2 1/2 to 5 8(3) 1.0(2)(3) 0 .....
G10 & 20 1 1/2 3.5±1.0 0.5±0.7 3/16 .....
1 3/4 3.3±1.0 0.5±0.7 3/16 .....
2 3.1±1.0 0.5±0.7 3/16 .....
2 1/4 2.9±1.0 0.5±0.7 3/16 .....
2 1/2 2.7±1.0 0.5±0.7 3/16 .....
2 3/4 2.6±1.0 0.5±0.7 3/16 .....
3 2.4±1.0 0.5±0.7 3/16 .....
3 1/4 2.2±1.0 0.5±0.7 3/16 .....
3 1/2 2.1±1.0 0.5±0.7 3/16 .....
3 3/4 1.9±1.0 0.5±0.7 3/16 .....
4 1.8±1.0 0.5±0.7 3/16 .....
4 1/4 1.6±1.0 0.5±0.7 3/16 .....
G30 1 1/2 2.8±1.0 0.2±0.7 3/16 .....
1 3/4 2.5±1.0 0.2±0.7 3/16 .....
2 2.2±1.0 0.2±0.7 3/16 .....
2 1/4 1.9±1.0 0.2±0.7 3/16 .....
2 1/2 1.6±1.0 0.2±0.7 3/16 .....
2 3/4 1.3±1.0 0.2±0.7 3/16 .....
3 0.1±1.0 0.2±0.7 3/16 .....
3 1/4 0.7±1.0 0.2±0.7 3/16 .....
3 1/2 0.5±1.0 0.2±0.7 3/16 .....
3 3/4 0.2±1.0 0.2±0.7 3/16 .....
4 0±1.0 0.2±0.7 3/16 .....
4 1/4 -0.2±1.0 0.2±0.7 3/16 .....
P10 2 1/2 2.3±1.0 0.2±0.7 3/16 .....
2 3/4 2.0±1.0 0.2±0.7 3/16 .....
3 1.7±1.0 0.2±0.7 3/16 .....
3 1/4 1.5±1.0 0.2±0.7 3/16 .....
3 1/2 1.2±1.0 0.2±0.7 3/16 .....
3 3/4 0.9±1.0 0.2±0.7 3/16 .....
4 0.6±1.0 0.2±0.7 3/16 .....
4 1/4 0.4±1.0 0.2±0.7 3/16 .....
4 1/2 0.1±1.0 0.2±0.7 3/16 .....
4 3/4 -0.1±1.0 0.2±0.7 3/16 .....
5 -0.3±1.0 0.2±0.7 3/16 .....
P20 & 30 2 2.9±1.0(4)(4) 0.2±0.7 3/16 .....
2 1/4 2.6±1.0(4)(5) 0.2±0.7 3/16 .....
2 1/4 2.3±1.0(4)(5) 0.2±0.7 3/16 .....
2 3/4 2.0±1.0(4)(5) 0.2±0.7 3/16 .....
3 1.7±1.0(4)(5) 0.2±0.7 3/16 .....
3 1/4 1.4±1.0(4)(5) 0.2±0.7 3/16 .....
3 1/2 1.2±1.0(4)(5) 0.2±0.7 3/16 .....
3 3/4 0.9±1.0(4)(5) 0.2±0.7 3/16 .....
4 0.6±1.0(4)(5) 0.2±0.7 3/16 .....
4 1/4 0.4±1.0(4)(5) 0.2±0.7 3/16 .....
4 1/2 0.2±1.0(4)(4) 0.2±0.7 3/16 .....
4 3/4 0.1±1.0(4)(5) 0.2±0.7 3/16 .....
NOTE: The vehicle series and model application in this table has been abbreviated for common reference to both Chevrolet and GMC. Chevrolet models use numerical designations as listed; GMC models use numerical designations as follows; 1500 = 10; 2500=20; 3500 = 30.
(1) Clearance is between jounce bumper and frame.
(2) On K30 models, Camber is 0.5.
(3) No adjustment provision.
(4) Add.3° Caster on vehicles with Hydroboost Brake System.
(5) Subtract.4° Caster on vehicles with Dual Rear Wheels.