1966 Chevelle Differential Codes
Rear Axle Code information is stamped on the axle housing for this year.. contains a 7 digit code that tells the stock ratio, month / day of build as well as the production facility, either W - Warren or B - Buffalo
Format is: CA0403B for a 3.08 rear ratio built on April 3rd at the Buffalo plant.
|
Rear Numerical Codes |
|
Code |
Positraction |
Ratio |
10 / 12 Bolt |
|
CA |
|
3.08 |
10 |
|
CB |
|
3.36 |
10 |
|
CC |
|
3.73 |
12 |
|
CD |
X |
3.07 |
12 |
|
CE |
X |
3.08 |
10 |
|
CF |
X |
3.31 |
12 |
|
CG |
X |
3.36 |
10 |
|
CH |
|
3.70 |
10 |
|
CI |
X |
3.73 |
12 |
|
CJ |
|
3.07 |
12 |
|
CK |
X |
3.07 |
12 |
|
CL |
|
3.08 |
10 |
|
CM |
X |
3.08 |
10 |
|
CN |
|
3.31 |
12 |
|
CO |
X |
3.31 |
12 |
|
CP |
|
3.36 |
10 |
|
CQ |
X |
3.36 |
10 |
|
CR |
X |
3.70 |
10 |
|
CS |
X |
3.70 |
10 |
|
CT |
|
3.73 |
12 |
|
CU |
X |
3.73 |
12 |
|
CV |
|
3.70 |
10 |
|
CW |
|
3.31 |
12 |
|
CX |
|
3.07 |
12 |
|
KF |
|
3.55 |
12 |
|
KG |
X |
3.55 |
12 |
|
KH |
X |
3.55 |
12 |
|
KI |
|
2.73 |
12 |
|
KJ |
|
3.55 |
12 |
|
KL |
|
4.10 |
12 |
|
KN |
|
4.56 |
12 |
|
KP |
|
4.88 |
12 |
|
KK |
X |
4.10 |
12 |
|
KM |
X |
4.56 |
12 |
|
KO |
X |
4.88 |
12 |
