Editing Z31/differentialinfo php (section)

=== Gear Sets Offered ===

| Model | Type | Ratio | Ring Gear / Pinion | Notes |
|---|---|---|---|---|
| USDM 300ZX 84-87 NA | R200 Open | 3.700:1 | 37T / 10T | |
| USDM 300ZX 88-89 NA | R200 Open | 3.900:1 | 39T / 10T | |
| USDM 300ZX 84-86 T & JDM 84-89 T | R200 Open | 3.545:1 | 39T / 11T | |
| USDM 300ZX 87-89 T | R200 Clutch LSD* | 3.700:1 | 37T / 10T | |
| USDM 300ZX 88SS | R200 Viscous LSD** | 3.700:1 | 37T / 10T | |
| EURO 300ZX Turbo (Europe) | R200 Open | 3.364:1 | 37T / 11T | 4 spider gears |
| EURO 300ZX Non-Turbo (Europe) | R200 Open | 3.700:1 | 37T / 10T | 2 spider gears |
| EURO 300ZX Turbo (Europe) | R200 Open | 3.545:1 | 39T / 11T | 4 spider gears |
| EURO 300ZX Turbo (Middle East) | R200 Open | 3.545:1 | 39T / 11T | 4 spider gears |
| EURO 300ZX Non-Turbo (Middle East) | R200 Open | 3.700:1 | 37T / 10T | 4 spider gears |
| EURO 300ZX Turbo (Elsewhere) | R200 Open | 3.545:1 | 39T / 11T | 2 spider gears |
| EURO 300ZX Non-Turbo (Elsewhere) | R200 Open | 3.700:1 | 37T / 10T | 4 spider gears |
| JDM 300ZX Manual | R200 Open | 3.545:1 | 39T / 11T | 2 spider gears |
| JDM 200Z ZS ZG Manual & Auto | R200 Open | 4.111:1 | 37T / 9T | 2 spider gears |
| JDM 200ZR Manual | R200 Viscous LSD | 4.375:1 | 35T / 8T | 4 spider gears |
| JDM 200ZR Auto | R200 Viscous LSD | 4.625:1 | 37T / 8T | 4 spider gears |
| JDM 300ZR Manual & Auto | R200 Clutch LSD | 4.111:1 | 37T / 9T | 4 spider gears |

* Clutch LSD | ** Viscous LSD

==== Additional Notes ====

'''USDM Cars Only:'''Only 87 Turbo cars produced after 04/87 were equipped with LSD. Earlier models had open differentials. Canada did not receive LSD until the 1988 model year.'''USDM Cars Only:'''The 1988 Shiro Special was the only model to feature the viscous LSD from factory.'''LSD Identification:'''Factory-equipped LSD units typically came with a finned rear differential cover, making it an easy visual identifier on USDM Z31s.'''EURO Market Models:'''European-market cars came with an external differential oil cooler from the factory. This system included an electric pump, oil cooler, fluid lines, and a temperature switch.