squaredeal91
Full Access Member
- Joined
- Mar 10, 2023
- Posts
- 2,593
- Reaction score
- 4,724
- Location
- Cave junction Oregon
- First Name
- Greg bush
- Truck Year
- 1991 SB
- Truck Model
- K30
- Engine Size
- 5.9 Cummins 12 valve
Think He's referring to the real Detroits with superchargers. MmmMmThe 6.2 from the 1980s-1990s gm used are all 4 stroke