80W90
Changing out the oil in my sals rear.
It has a Detroit locker and high tough axles.... 85w 140 or just 80w90(penrite)???
I’ve had 85/140 in it but is there any benefits ( bearings are oil fed)<—- maxidrive mod
Regards mark
2002 defender 110 , 1955 86 inch
 Wizard
					
					
						Wizard
					
					
                                        
					
					
						80W90
Penrite 80w90 gear oil is what I use in both of my Sals - 1 standard diff, 1 with a True Trac.
Sals runs hot, pretty sure rick recommended 85/140 for it.
That’s what I’d heard Vern , though it dosent get much abuse nowdays
2002 defender 110 , 1955 86 inch
Which oil to use - Salisbury with ARB?
Which oil to use - Salisbury with ARB?
Salisbury oil quantity
Advice seems to be based on diffs with cast covers with poorer heat shedding ability
With no cast cover I think I’ll go back to 80w 90..... same oil through the whole driveline.... big difference between a Detroit unlocker and an arb Locker ... no specifics or warranty violations on the Ashcroft in the front
Last edited by mfc; 2nd November 2020 at 04:17 PM. Reason: Corection
80/90 mineral is my goto
also ran
85/140 synth
sae 50 eaton gearbox oil
20/50 engine oil
15/40 engine oil
Dave
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mob that rebuilt my salisbury recommended 85/140 in qld
and 80/90 in rover diffs
i follow his advice..
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2002 defender 110 , 1955 86 inch
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