WHISKEYSAVAGE
Tremor Fiend
- Joined
- Jun 30, 2022
- Messages
- 240
- Reaction Points
- 187
- Location
- 92584
- Military
- USAF VET
- Current Ride
- 2022 F250 Lariat 6.7l
Seeing how it takes about 9 months to run thru a tank of Def, is it better to run to empty or top off with fresh Def? So the older Def can be diluted with fresh Def?