Cool test!
I started to recommend Amsoil 10W30 but after thinking about it a little I would like to see a "lesser" oil do well.
My pick is Shell Rotella T 5W40 synthetic and the Motorcraft filters.
I started to recommend Amsoil 10W30 but after thinking about it a little I would like to see a "lesser" oil do well.
My pick is Shell Rotella T 5W40 synthetic and the Motorcraft filters.