- Joined
- Jul 15, 2023
- Messages
- 981
Here’s a thought experiment. It’s early and I haven’t had my coffee yet, so I make no claims this is anything worthwhile, but perhaps it’s a novel way to frame it:
First change mileage: 5000
Total oil capacity: 5qt
Change amount: 4qt
Old oil remaining: 1qt, 20%
Average mileage on oil after change: 1000
Second oil change mileage: 2000
Average mileage on oil: 3000
Old oil remaining: 1qt, 20%
Average mileage on oil after change: 600
Here we see a 40% improvement of the average age of the oil in the sump. Is that meaningful? No clue. Did I even do the numbers right? Dubious. Discuss.
First change mileage: 5000
Total oil capacity: 5qt
Change amount: 4qt
Old oil remaining: 1qt, 20%
Average mileage on oil after change: 1000
Second oil change mileage: 2000
Average mileage on oil: 3000
Old oil remaining: 1qt, 20%
Average mileage on oil after change: 600
Here we see a 40% improvement of the average age of the oil in the sump. Is that meaningful? No clue. Did I even do the numbers right? Dubious. Discuss.