JamesSam
Full Access Member
- Joined
- Feb 15, 2023
- Posts
- 1,602
- Reaction score
- 4,394
- Location
- VA
- First Name
- Sam
- Truck Year
- 1987
- Truck Model
- Silverado V10
- Engine Size
- 5.7 L 350 v8
Hello All, a relative close to me suggests I run my 1987 V10 on ethanol free gas only. The previous owner always filled it with premium grade where ever he went. What should I use? Ethanol free or Premium? ...Or both?