Yeah, Tom was opinionated, which is why he had so many fans. Definitely the metals and oils are a zillion times better. So, as I said, the miles are totally different, but I still am convinced the principle is the same. At some distance between oil changes, the life expectancy of the motor is going to drop. I hadn’t seen that current study on NYC taxis, but I can believe the 3,000 / 6,000 miles with no change, for cars that are seldom shut off. I don’t believe it will be the same for cars with short trips.
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