Off DOHC 1.9 Saturn. Plenty of short trips, but multiple highway runs mixed in.
Various oils used including Delvac 1300, Mobil 1 30 weight, Rislone, LiquiMoly 2009, Heinz 57 dripping bottle LOL, Motorkote, MMO!
Whatever, I just check the dipstick on the regular and keep the sump full at all...