I get it. I have my brand for the cars also. Just an avenue to mention the deals for lawn mower oil - most oils starts at $8 per quart and lawnmowers seem to like it - a lot. I’m too cheap to buy a new mower. lol!
All my lawnmowers get my cleanest gallon of used oil Valvoline Racing oil. lol Only my snowblower gets new stuff. You obviously haven't seen my pristine mowers.