General Motors

Application

Axle Gap (Inches) ⁽¹⁾

Caster (Degrees) ⁽²⁾

Camber (Degrees) ⁽²⁾

Toe-In (Inches) ⁽³⁾

Steering Axis Inclin. (Degrees)

C10

2 1/2

3.6

0.7

3/16

.....

2 3/4

3.4

0.7

3/16

.....

3.1

0.7

3/16

.....

3 1/4

2.8

0.7

3/16

.....

3 1/2

2.6

0.7

3/16

.....

3 3/4

2.4

0.7

3/16

.....

2.0

0.7

3/16

.....

4 1/4

1.8

0.7

3/16

.....

4 1/2

1.5

0.7

3/16

.....

4 3/4

1.2

0.7

3/16

.....

1.0

0.7

3/16

.....

C20/30

2 1/2

1.5

0.2

3/16

.....

2 3/4

1.2

0.2

3/16

.....

0.9

0.2

3/16

.....

3 1/4

0.6

0.2

3/16

.....

3 1/2

0.3

0.2

3/16

.....

3 3/4

0.1

0.2

3/16

.....

0.2

3/16

.....

4 1/4

-0.1

0.2

3/16

.....

4 1/2

-0.7

0.2

3/16

.....

4 3/4

-1.0

0.2

3/16

.....

-1.2

0.2

3/16

.....

K10-20-30

2 1/2 to 5

8 ⁽⁴⁾

1.0 ⁽⁵⁾

3/16

.....

G10-20

1 1/2

3.5

0.5

3/16

.....

1 3/4

3.3

0.5

3/16

.....

3.1

0.5

3/16

.....

2 1/4

2.9

0.5

3/16

.....

2 1/2

2.7

0.5

3/16

.....

2 3/4

2.6

0.5

3/16

.....

2.4

0.5

3/16

.....

3 1/4

2.2

0.5

3/16

.....

3 1/2

2.1

0.5

3/16

.....

3 3/4

1.9

0.5

3/16

.....

1.8

0.5

3/16

.....

4 1/4

1.6

0.5

3/16

.....

G30

1 1/2

2.8

0.2

3/16

.....

1 3/4

2.5

0.2

3/16

.....

2.2

0.2

3/16

.....

2 1/4

1.9

0.2

3/16

.....

2 1/2

1.6

0.2

3/16

.....

2 3/4

1.3

0.2

3/16

.....

1.0

0.2

3/16

.....

3 1/4

0.7

0.2

3/16

.....

3 1/2

0.5

0.2

3/16

.....

3 3/4

0.2

3/16

.....

0.2

3/16

.....

4 1/4

-0.2

0.2

3/16

.....

P10

2 1/2

2.3

0.2

3/16

.....

2 3/4

2.0

0.2

3/16

.....

1.7

0.2

3/16

.....

3 1/4

1.5

0.2

3/16

.....

3 1/2

1.2

0.2

3/16

.....

3 3/4

0.9

0.2

3/16

.....

0.6

0.2

3/16

.....

4 1/4

0.4

0.2

3/16

.....

4 1/2

0.1

0.2

3/16

.....

4 3/4

-0.1

0.2

3/16

.....

-0.3

0.2

3/16

.....

P20/30

2.9 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

2 1/4

2.6 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

2 1/2

2.3 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

2 3/4

2.0 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

1.7 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

3 1/4

1.4 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

3 1/2

1.2 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

3 3/4

0.9 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

0.6 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

4 1/4

0.4 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

4 1/2

0.2 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

4 3/4

0.1 ⁽⁶⁾⁽⁷⁾

0.2

3/16

.....

S10/15

.....

0.8

⁽⁸⁾

.....

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⁾	Specification is ±0.5°.

⁽³⁾	Specification is ±1/16"

⁽⁴⁾	No adjustment provision.

⁽⁵⁾	Camber specification for K30 is 0.5°.

⁽⁶⁾	Add 0.3° caster on vehicles with hydroboost brake system.

⁽⁷⁾	Subtract 0.4° caster on vehicles with dual rear wheels.

⁽⁸⁾	Toe-in is 0.015° ±0.5°.