Testing 70-year old Quaker State Motor Oil for performance and comparing it to Quaker State 10W-40 conventional motor oil. The oil is tested in a running engine, for film strength, for cold temperature performance, and is tested by independent oil lab…
AmazonBasics Full Synthetic Motor Oil vs Mobil 1 and Valvoline
Project Farm tests AmazonBasics Motor Oil, Mobil 1 Full Synthetic Motor Oil, and Valvoline 10W-30 Conventional Motor Oil. [More…]
Will Synthetic Motor Oil Cause Engine Seal Leaks?
Conventional Shell Rotella T4 15W-40 and full synthetic T6 5W-30 oils are tested in a 45-year-old tractor that’s never tasted synthetic oil. [More…]
Is Pennzoil better than Lucas? Is Motul better than Penrite?
In a double-header oil showdown, we’ll find out if Pennzoil is better than Lucas and if Motul better than Penrite? [More…]