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