I have used a few ounces of Marvel Mystery Oil per tank in all my old iron for years.My friend uses two cycle oil(weed wacker,chain saw)in his old cars and trucks.It doesn't take much to lube the valve seats and stems.

Wanted Good Woman:
Must be able to cook , clean , sew , tune engines and polish trucks. Must have old Stovebolt and garage. Please send picture of old Stovebolt and garage.