Rusty Nuts ...
Disclaimer...
The following information was gathered from various sources. Most of the following information was published as articles in various car magazines and manuals. I had copied and saved the information into a spiral tablet and saved it for personal use.I do not recall the publication title, nor the authors names. I do believe that the information has been published by various others over the years. If anyone recalls exactly which magazines and who the author was that this data appeared in, please let me know so I can give credit to the proper individuals.
Being as it is good information.. I thought that I would share it.
Chevrolet Camaro Rear Axle Codes: 1967 - 81
B_ series C_ series G_ series P_ series
| Code | Ratio | Year | Note: These codes were gathered from several sources, including various web sites, magazines and technical manuals. If you find an error or would like to submit new data, please email data to: rustynut@rustynutscarclub.com |
| BA | 2.56 | 68 - 69 | Small Ring Gear |
| BB | 2.56 | 68 - 69 | Small Ring Gear - Posi-traction |
| BC | 3.36 | 68 - 69 | |
| BD | 3.36 | 68 - 69 | Posi-traction |
| BI | 2.73 | 68 - 69 | |
| BL | 3.07 | 68 - 69 | |
| BN | 3.55 | 68 - 69 | |
| BO | 3.73 | 68 - 69 | |
| BP | 2.73 | 68 - 69 | |
| BQ | 2.73 | 68 - 69 | Large Ring Gear - Posi-traction |
| BR | 3.07 | 68 - 69 | |
| BS | 3.31 | 68 - 69 | |
| BT | 3.35 | 68 - 69 | |
| BU | 3.37 | 68 - 69 | |
| BV | 4.10 | 68 - 69 | |
| BW | 4.56 | 68 - 69 | |
| BX | 4.88 | 68 - 69 | |
| BY | 2.73 | 68 | Large Ring Gear - Posi-traction |
| CA | 2.73 | 71 - 74 | Posi-traction |
| CB | 4.10 | 71 - 74 | |
| CG | 3.73 | 71 - 74 | |
| CJ | 3.42 | 71 - 72 | Posi traction |
| CK | 3.42 | 71 - 72 | |
| CL | 3.42 | 73 - 74 | |
| CM | 3.42 | 73 - 74 | Posi-traction |
| COC | 2.73 | 70 | |
| COD | 2.73 | 70 | Posi-traction |
| COE | 3.08 | 70 | |
| COF | 3.08 | 70 | Posi-traction |
| COO | 4.10 | 70 | |
| COS | 3.07 | 70 | |
| COT | 3.07 | 70 | Posi-traction |
| COU | 3.31 | 70 | |
| COV | 3.31 | 70 | Posi-traction |
| COX | 3.55 | 70 | Posi-traction |
| COZ | 3.73 | 70 | Posi-traction |
| CRI | 3.08 | 70 | Posi-traction |
| CRX | 2.73 | 70 | |
| CRY | 2.73 | 70 | Posi-traction |
| GX | 3.08 | 71 - 74 | |
| GY | 3.08 | 71 - 74 | Posi-traction |
| GZ | 2.73 | 71 - 74 | |
| PA | 3.08 | 67 - 69 | |
| PA | 2.73 | 75 - 81 | |
| PB | 3.36 | 67 | |
| PB | 3.31 | 68 | |
| PB | 2.56 | 69 | |
| PC | 3.08 | 75 - 81 | |
| PC | 3.31 | 67 | 4-speed "350" |
| PC | 2.56 | 69 | Posi-traction |
| PD | 3.07 | 67 | Posi-traction |
| PD | 3.23 | 81 | |
| PE | 3.08 | 67 - 69 | Posi-traction |
| PE | 3.42 | 78 - 81 | |
| PF | 2.73 | 78 | |
| PF | 3.31 | 67 | Posi-traction |
| PF | 3.73 | 79 | |
| PG | 3.36 | 67 | Posi-traction |
| PG | 3.07 | 68 | Posi-traction |
| PH | 3.55 | 67,68 | Small Ring Gear - Posi-traction |
| PH | 2.56 | 75,76,78, 79,80,81 | |
| PI | 3.55 | 67 | Large Ring Gear Posi-traction |
| PJ | 2.41 | 78,79,81 | |
| PJ | 3.73 | 67 | Posi-traction |
| PK | 3.55 | 67, 68 | 4-speed trans |
| PL | 3.55 | 67 | close ratio 4-speed |
| PM | 3.23 | 78 | |
| PM | 3.73 | 67 | |
| PN | 3.07 | 67 | w/metallic brakes |
| PN | 2.56 | 68 | large ring gear |
| PO | 3.07 | 67 | w metallic brakes - posi-traction |
| PO | 2.56 | 68 | w/metallic brakes - posi-traction -large ring gear |
| PP | 3.23 | 78 | Posi-traction |
| PP | 3.31 | 67 | w/metallic brakes |
| PP | 3.07 | 68 | |
| PQ | 3.08 | 81 | Posi-traction |
| PQ | 3.55 | 67 | w/metallic brakes - large ring gear |
| PR | 3.31 | 67, 68 | w/metallic brakes - posi-traction |
| PS | 2.41 | 78,79, 81 | Posi-traction |
| PS | 3.55 | 67 | w/metallic brakes - posi-traction |
| PT | 3.73 | 67 | w/metallic brakes |
| PT | 2.56 | 75,76,78,79,80,81 | Posi-traction |
| PU | 2.73 | 75,76,77 | |
| PU | 2.73 | 78,79,80,81 | Posi-traction |
| PU | 3.73 | 67 | w/metallic brakes - posi-traction |
| PV | 2.41 | 81 | Posi-traction |
| PV | 3.07 | 67 | |
| PW | 3.08 | 75,76,77 | |
| PW | 3.08 | 78 - 81 | Posi-traction |
| PX | 2.73 | 68, 69 | small ring gear - posi-traction |
| PX | 3.23 | 81 | Posi-traction |
| PY | 2.56 | 68, 69 | large ring gear |
| PY | 3.42 | 75,76,77 | |
| PY | 3.42 | 78 - 81 | Posi-traction |
| PZ | 2.56 | 68,69 | large ring gear - posi-traction |
| PZ | 3.42 | 75,76,77 | |
| PZ | 3.42 | 78, 79 | Posi-tracrion |
| QE | 3.55 | 68 | camaro |
| QN | 4.88 | 68 | w/disc brakes F&R |
| QN | 4.88 | 69 | Posi-traction |
| QS | 2.56 | 68 | w/disc brakes F&R |
| QS | 2.56 | 69 | Posi-traction |
| QT | 2.73 | 68 | w/disc brakes F&R |
| QT | 2.73 | 69 | Posi-traction |
| QU | 3.07 | 68 | w/disc brakes F&R |
| QU | 3.07 | 69 | Posi-traction |
| QV | 3.31 | 68 | w/disc brakes F&R |
| QV | 3.31 | 69 | Posi-traction |
| QW | 3.55 | 68 | w/disc brakes F&R |
| QW | 3.55 | 69 | Posi-traction |
| QX | 3.73 | 68 | w/disc brakes F&R |
| QX | 3.73 | 69 | Posi-traction |
| QY | 4.10 | 68 | w/disc brakes F&R |
| QY | 4.10 | 69 | Posi-traction |
| QZ | 4.56 | 68 | w/disc brakes F&R |
| QZ | 4.56 | 69 | Posi-traction |
| Q2 | 3.55 | 68 | large ring gear |
| Q3 | 3.55 | 68 | large ring gear - Posi-traction |
| Q9 | 3.55 | 68 | small ring gear |
| 2PA | 2.73 | 75,76,77 | |
| 2PC | 3.08 | 75,76,77 | |
| 2PU | 2.73 | 75,76,77 | |
| 2PW | 3.08 | 75,76,77 |