Factory LSD is Eaton, yes? - read this from their FAQ
This is clipped straight from the Eaton site FAQ:
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Q - What type of lubricant and limited slip additive should I use with my newly purchased Eaton Limited Slip Differential? [ed: factory Toyota LSD??]
A - Eaton strongly recommends utilizing an API-GL5 approved Mineral-Based 80W-90 Axle Lubricant and one 4-oz bottle of Limited Slip Additive (GM or Ford).
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I'm going to use Mobil 1 synthetic in the front diff and transfer case - maybe stick with the "old school" for the LSD?
LSD experts / heavy LSD users (not the recreational drug): Comments?
Paul
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