Standard Rear Differential:
* Open Differential: This is the most common type found on the base model Supra. It sends power equally to both rear wheels, regardless of traction. This is a simple and cost-effective design, but it can lead to wheel spin in low-traction situations.
Optional Rear Differential:
* Limited-Slip Differential (LSD): This option was available on higher trim levels or as an add-on. It uses a mechanism (like clutches or a viscous fluid) to send more power to the wheel with better traction. This improves handling and acceleration, especially in corners and on slick surfaces.
* Toyota's Torsen LSD: This type of LSD uses gears to distribute power. It's known for its smooth and predictable engagement.
To determine which rear differential you have:
1. Check the VIN: The Vehicle Identification Number (VIN) can be used to look up the vehicle's specifications, including the type of rear differential.
2. Look for the LSD sticker: Some Supras with an LSD will have a sticker on the rear differential housing indicating its presence.
3. Inspect the differential housing: The LSD housing might have a different casting number compared to an open differential.
Keep in mind:
* The specific type of LSD (if equipped) will depend on the model year and trim level.
* The rear differential ratio may vary depending on the engine and transmission options.
If you need further clarification, it's best to consult a Toyota service manual or a knowledgeable mechanic.
