1966 GTO Rear Axle Codes
| Differential Ratio | Std. Axle Code | Std. Axle Sticker Code | Safe-T-Track Sticker Code |
|---|---|---|---|
The following ratios were available with heavy duty metallic brake linings.
Differential Ratio |
Std. Axle Code |
Std. Axle Sticker Code |
Safe-T-Track Sticker Code |
|---|---|---|---|
|
3.23 |
M |
N/A |
ZF |
|
3.36 |
T |
N/A |
ZG |
|
3.55 |
W |
N/A |
ZH |
|
3.90 |
P |
N/A |
ZK |
|
4.33 |
S |
N/A |
ZL |
A sticker with the code was applied to the left brake drum.
The code was also stamped in the axle housing to the right of the carrier.