No, some werent. Mostly automatics i believe. Easiest way to tell is by looking at the pumpkin. Should have a sticker that says LSD oil only. Most fun way is to power brake.:bigthumb:
The newer ones 89 and up had an especiaslly gay clutch pack preload spring. It caused some chatter on the older supras so it was changed to a lighter spring to reduce chatter and ultimately the effectiveness of the LSD.