What is best oil. I drive 50 mi per day in central kansas. 90% highway. Changed factory oil at 4000 mi and used ACDELCO Synthetic Blend 5W30. Is Mobil 1 that much better. My concern is will mobil 1 handle the heat of turbo. I am going to keep changineg oil at 4 to 5000 mi.
Related: My brother has a 19hp Briggs engine in a riding lawn mower the had Mobil 1 in it, when motor gets hots started missing , knocking and lots of valve noise. changed oil to Mobil 5000 5W30 and all problems went away. This was 2 years ago. Been running great since.
Related: My brother has a 19hp Briggs engine in a riding lawn mower the had Mobil 1 in it, when motor gets hots started missing , knocking and lots of valve noise. changed oil to Mobil 5000 5W30 and all problems went away. This was 2 years ago. Been running great since.