spokanesoob Posted May 1, 2008 Share Posted May 1, 2008 searched but no results. what kind of gear oil do i put into my rx's LSD. pretty sure it has never been changed in 166k thanks Link to comment Share on other sites More sharing options...
TheSubaruJunkie Posted May 1, 2008 Share Posted May 1, 2008 When I rebuilt my LSD i used some Castrol LSD Additive with regular Diff Gear Oil. I did some research and found many who have done the same. I found both at my local autozone. -Brian Link to comment Share on other sites More sharing options...
NuclearBacon Posted May 1, 2008 Share Posted May 1, 2008 in my 3.700 LSD i used redline 75W90NS. been through 4 races and my usual abuse Link to comment Share on other sites More sharing options...
idosubaru Posted May 1, 2008 Share Posted May 1, 2008 the redline stuff is recommended quite a bit here. saw Kendall limited slip gear oil recommended a few times. it's been a couple years since i changed mine so i don't remember. found this while searching: From the book: Fluid recommendations Use gear oil with API classification GL-5 for open differentials and GLS for limited slip differential. Viscosity should be: *SAE 90-above 30 deg F *SAE 85W-above 30 def F *Sae 80W-below 0 def F Link to comment Share on other sites More sharing options...
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