High mileage oil and fuel additives

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Sep 24, 2023
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What automotive case study was conducted that “75,000 miles” is the determination of when high mileage oil or fuel additives is suggested for use?
 
What automotive case study was conducted that “75,000 miles” is the determination of when high mileage oil or fuel additives is suggested for use?
Back when it started in the late 80s/90s, there were a lot of malaise era cars still on the road that 75k miles was considered 'high mileage' for. They just stuck with the standard, I suppose. Back when buying a car with 100k was considered (and actually could be) a huge gamble.
 
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