Recently at WalMart, Rotella Synth was way more than Mobil 1. Almost $5 a quart, while M1 was somehow under $4. (Original price of Rotella Synth, at WMart was $4.33.) I have old cars, and I think I am back to an old favorite. Rotella T Dino. 10W40. $1.73 QT. Change it often and change it hot!
1986 300E Anthracite + ECodes + MB Mileage Award