Castrol SAF XA.
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Castrol SAF XA.
LSD fluids only have a friction modifier to reduce clutch chatter/stick slip in clutch pack type LSD's.
They don't actually lubricate the bearings and CWP any better.
Or put it this way, I'd take a non LSD fluid like Motul 300V or Castrol Syntrax over Castrol LS90, although I'm running an LSD fluid in the back of mine, just for commonality of fluids between vehicles.
hi thanks again, went with the castrol syntax followed anothers advice and jacked up the short side of the diff so i could get more than the factory 2.9l in and now i,ve got oil dripping out the long side of the diff behind the wheel hub assembly doesn,t look good on the rotor might even inhibit stopping looks like its time for new seals
Check the stub seal surface for wear aswell, You should have RTC3511 seals in there too.
Lately, we have been replacing the stub assemblies on older 110/130's, as the seal surface has been pitted etc too badly to stop leaks after the oil conversion has been done. I mention replacing the stubs, as we have also noticed some bearng mounting surface galling and wear, so if only fitting a speedy sleeve to the seal surface this problem won't be rectified.
Do it once properly. Saves brake pads too.
Stubs have become reasonably priced now.
JC
The manual that came with my MaxiDrive locker says use "vehicle specification 80/90 gear oil" - page 10
I can't be bothered finding the manual for our arb diff locks but I'm pretty sure it said to use limited slip stuff so I've been using lsx90. They also specify a change after only 2k or something short like that.