Reference Details
- Common issue
- Restored car with incorrect axle ratio or undocumented brake conversion.
- Confidence
- reported
- Correct value
- S5 3.08 Positraction on W-46 A/C cars or T3 3.91 Positraction on W-45 non-A/C cars, with power four-piston front disc brakes
- Where to check
- Axle tube stamp, brake hardware, build documentation, and car-level inspection