ok so i guess i may be looking for this wrong but i have a open diff in my sc400 and im tired of it. i wanna do a posi or limited slip.

has anyone done this or does anyone know which years i can swap rear diffs or any suggestions..

thanks

 

The Lexus SC have never a LSD installed. You can use the LSD from the supra. You find many many threads with all the information here in the forum.