WHAT SYNTHETIC IN 99 tj 5 SPEED

[RAYZZ]

What weight synthetic oil should I run in 99 TJ 5 speed trans . Would like to make the shifting a little better
THANKS RAY

 

[got4-lo]

redline MT-90

 

[JRB]

I just looked up on Alldata and it says 75W-90 so I recommend Lucas or Mobil 1.

 

[Rich]

I had good experience with the Redline as well.