Gros Ventre
Well-known member
- First Name
- Bill
- Joined
- Nov 13, 2021
- Threads
- 47
- Messages
- 2,690
- Reaction score
- 1,815
- Location
- Western Wyoming
- Vehicles
- Powerboost
I get my filters from NAPA. I do oil analysis. I've found that the oil is good for about 12,000 miles. Either TBN or Boron seem to be depleted shortly after that. Changing oil before necessary is just tossing money.
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