Originally Posted By: lovcom
When I use M1, my power steering pump screams, and the suspension runs more stiff!
I quite using Mobil 1 when after the neighbor came over and asked me to quiet down when the engine was idling, I went for a drive. I noticed that when I have Mobil 1 in the vehicle is more prone to being hard to steer in higher winds. Like the fact that Exxon Mobil hates puppies wasn't bad enough.