Axle Ratio & Identification
WARNING: This page is about a different car, the 2003 Chevrolet Corvette and 2002 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
Service parts identification label contains Regular Production Options (RPO) codes that can help to properly service the vehicle. The service parts label can be found on the inside of the glove compartment door, on the passenger side of the instrument panel. See AXLE RATIO IDENTIFICATION .
AXLE RATIO IDENTIFICATION
| GM RPO Code | Axle Ratio |
| GU2 | 2.73 : 1 |
| GU6 | 3.42 : 1 |
| G90 | 3.15 : 1 |