This was during the heyday of the DEW Line, a defense against the Sovs. the production date was '63, Cuban Missile Crisis, Dr Strangelove.
'16 Camry LE STP synth 0w20 and STP filter.
1994 Ranger ,the Rat, 5w30 dino, STP filter
'16 Camry SE, Valvoline bulk 0w20 and ? filter