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Shift_Drift_S13
03-10-2007, 03:55 PM
what kind/weight gear oil should i put in the differential? Is Lucas 75/90w fine?
l bricks l
03-10-2007, 04:03 PM
should be fine just as long as it's GL-4. putting the wrong GL rating is corrosive to the diff.
SochBAT
03-10-2007, 04:42 PM
automotive gear fluid. Thick and viscous is what you want.

80w90 is good, but you could use 75w90 as well.
Shift_Drift_S13
03-10-2007, 05:26 PM
should be fine just as long as it's GL-4. putting the wrong GL rating is corrosive to the diff.

Just went and looked and it said GL5 or GL6..... What's the GL for?