Hot down here so I use 20w 50w Walmart brand. Uses a little or I would use a better brand...
I usually use the drain oil from my modern car. Works fine.
15-40 but I run white walls that might make a difference.
Olive oil, or lard.
Speaking of Olive Oil.
Popeye was a simple but smart man as he knew he only had to eat two things to be Happy in Life. Spinach and Olive Oil.