Back in '68 soon after I got my license, my Aunt Roxana visited with her month-old baby, on her way back to Spartanburg ( a four hour drive.). Dad had me drive her back, catch a bus to Charleston and ride with my uncle to my grandma's. Her Bonneville was a quart low, so I asked her what oil did she use. Her reply was... "I don't know... Wesson Oil?" I poured in a quart of HD30wt Quaker State and we drove off.