^^^ Correct...J30 is a viscous LSD (VLSD).and the viscous unit is SEALED, so fluid has no effect on the limited slip performance...it used to lube the gears ONLY.
Synchromesh is trans fluid (GL-4)...not a GL-5 gear oil.
You need to use GL-5...Mobil 1 is great stuff...80w90
- Brian
|