Decoding Camaro Rear Axle
1967
|
Code
|
Gear
Ratio
|
Notes
|
PA
|
3.08:1
|
|
PB
|
3.36:1
|
|
PC
|
3.31:1
|
4 speed
350
|
PD
|
3.07:1
|
Posi
|
PE
|
3.08:1
|
Posi
|
PF
|
3.31:1
|
Posi
|
PG
|
3.36:1
|
Posi
|
PH
|
3.55:1
|
small
ring gear
|
PI
|
3.55:1
|
large
ring gear
|
PJ
|
3.73:1
|
Posi
|
PK
|
3.55:1
|
4 speed
|
PL
|
3.55:1
|
4 speed
close ratio
|
PM
|
3.73:1
|
|
PN
|
3.07:1
|
metallic
brakes
|
PO
|
3.07:1
|
metallic
brakes Posi
|
PP
|
3.31:1
|
metallic
brakes
|
PQ
|
3.55:1
|
metallic brakes, large ring gear
|
PR
|
3.31:1
|
metallic
brakes Posi
|
PS
|
3.55:1
|
metallic brakes, Posi, large ring gear
|
PT
|
3.73:1
|
metallic
brakes
|
PU
|
3.73:1
|
metallic
brakes, Posi
|
PV
|
3.07:1
|
|
PW
|
2.73:1
|
|
PX
|
2.73:1
|
posi
|
PY
|
2.73:1
|
posi
|
PZ
|
2.73:1
|
|
QA
|
4.10:1
|
posi
|
QB
|
4.56:1
|
posi
|
QC
|
4.88:1
|
posi
|
QD
|
2.73:1
|
|
QE
|
2.73:1
|
posi
|
QF
|
4.10:1
|
|
QG
|
4.56:1
|
|
QH
|
4.88:1
|
|
QI
|
2.73:1
|
posi
|
QJ
|
3.07:1
|
posi
|
QK
|
3.31:1
|
posi
|
QL
|
3.31:1
|
|
QM
|
2.73:1
|
Metallic
brakes
|
QN
|
2.73:1
|
Metallic
brakes
|
QO
|
3.07:1
|
Metallic
brakes
|
QP
|
3.07:1
|
Metallic
brakes posi
|
QQ
|
3.31:1
|
|
QR
|
3.31:1
|
Metallic
brakes posi
|
QS
|
3.07:1
|
Metallic
brakes
|
QT
|
2.73:1
|
|
QU
|
2.73:1
|
posi
|
QV
|
2.73:1
|
Metallic
brakes
|
QW
|
3.07:1
|
posi
|
QX
|
2.73:1
|
Metallic
brakes posi
|
QY
|
3.07:1
|
Metallic
brakes
|
QZ
|
3.07:1
|
Metallic
brakes posi
|
1968
Camaro
|
Code
|
Gear
Ratio
|
Notes
|
BA
|
2.56:1
|
small
ring gear
|
BB
|
2.56:1
|
small
ring gear, Posi
|
BC
|
3.36:1
|
|
BI
|
2.73:1
|
|
BL
|
3.07:1
|
|
BN
|
3.55:1
|
|
BP
|
2.73:1
|
|
BQ
|
2.73:1
|
large
ring gear, Posi
|
BR
|
3.07:1
|
Posi
|
BS
|
3.31:1
|
Posi
|
BT
|
3.55:1
|
Posi
|
BU
|
3.37:1
|
Posi
|
BV
|
4.10:1
|
Posi
|
BW
|
4.56:1
|
Posi
|
BX
|
4.88:1
|
Posi
|
BY
|
2.73:1
|
large
ring gear, Posi
|
BZ
|
2.73:1
|
|
PB
|
3.31:1
|
|
PE
|
3.08:1
|
Posi
|
PG
|
3.07:1
|
Posi
|
PH
|
3.55:1
|
small
ring gear, Posi
|
PK
|
3.55:1
|
|
PN
|
2.56:1
|
large
ring gear
|
PO
|
2.56:1
|
Posi,
metallic brakes
|
PP
|
3.07:1
|
|
PR
|
3.31:1
|
Posi
|
PX
|
2.73:1
|
small
ring gear, Posi
|
PY
|
2.56:1
|
|
PZ
|
2.56:1
|
Posi
|
Q2
|
3.55:1
|
large
ring gear
|
Q3
|
3.55:1
|
large
ring gear, Posi
|
1969
Camaro
|
Code
|
Gear
Ratio
|
Notes
|
BA
|
2.56:1
|
|
BB
|
2.56:1
|
Posi
|
BC
|
3.36:1
|
|
BD
|
3.36:1
|
Posi
|
BE
|
4.10:1
|
Posi HD
COPO
|
BI
|
2.73:1
|
|
BL
|
3.07:1
|
|
BM
|
3.31:1
|
|
BN
|
3.55:1
|
|
BO
|
3.73:1
|
|
BP
|
2.73:1
|
|
BQ
|
2.73:1
|
Posi
|
BR
|
3.07:1
|
Posi
|
BS
|
3.31:1
|
Posi
|
BT
|
3.55:1
|
Posi
|
BU
|
3.73:1
|
Posi
|
BV
|
4.10:1
|
Posi
|
BW
|
4.56:1
|
Posi
|
BX
|
4.88:1
|
Posi
|
PA
|
3.08:1
|
|
PB
|
2.56:1
|
|
PC
|
2.56:1
|
Posi
|
PD
|
2.73:1
|
|
PE
|
3.08:1
|
Posi
|
PF
|
2.73:1
|
Posi
|
PG
|
3.08:1
|
|
PH
|
3.55:1
|
|
PK
|
3.55:1
|
|
PN
|
3.08:1
|
Posi
|
PP
|
3.36:1
|
|
PS
|
3.36:1
|
Posi
|
PX
|
2.73:1
|
Posi
|
PY
|
2.56:1
|
|
PZ
|
2.56:1
|
Posi
|
QN
|
4.88:1
|
Posi
|
QS
|
2.56:1
|
Posi
|
QT
|
2.73:1
|
Posi
|
QU
|
3.07:1
|
Posi
|
QV
|
3.31:1
|
Posi
|
QW
|
3.55:1
|
Posi
|
QX
|
3.73:1
|
Posi
|
QY
|
4.10:1
|
Posi
|
QZ
|
4.56:1
|
Posi
|
REAR AXLE
ASSEMBLY CODE INFORMATION
Exempel: BD 0320 G1
|
"BD"=Ratio
|
"03"=Month
|
"20"=Day
|
"G"=Gear Plant
|
"1"=Shift
|
Se ovan
|
01 - Jan till
12 - Dec
|
1 till 31
|
G = Detroit Gear & Axle
B = Buffalo NY
K = McKinnon Ind
W = Warren MI
|
1 - 1st
2 - 2nd
|
REAR HOUSING
CASTING DATE
Exempel: G139
|
Month
|
Day
|
Year
|
A - Jan till
L - Dec
|
1 till 31
|
7 - 1967
8 - 1968
9 - 1969
|
RING AND PINION GEAR
Exempel: 769
|
Month
|
Year
|
A - Jan till
L - Dec
|
7 - 1967
8 - 1968
9 - 1969
|
|