Not saying oil color is indicative of condition, but thought this was interesting:
On several vehicles where I have installed M1 EP Triple Action 5W30, the oil has become very dark within 1000 miles. Prior fills of M1 have not exhibited this.
On several vehicles where I have installed M1 EP Triple Action 5W30, the oil has become very dark within 1000 miles. Prior fills of M1 have not exhibited this.