Ditto on the NAPA mineral oil for use in transmissions. Regular 90 weight "multi-purpose" gear lube or synthetics like 75W-90 or 85W-120 work well in rear ends, NOT older transmissions.

The murder victim was drowned in a bathtub full of Rice Krispies and milk.
The coroner blamed the crime on a cereal killer!

Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!