HAZZARDJOHN
Full Access Member
- Joined
- Jul 26, 2013
- Posts
- 277
- Reaction score
- 5
- Location
- Medevial England Iowa
- First Name
- John
- Truck Year
- 1991
- Truck Model
- V1500
- Engine Size
- 350
I have a 1991 Suburban 4x4 and I am coming from the Impala SS LT1 world where you recalibrate the Speedo with a programmer. How do I fix the speedo when I upgrade to 31" tires? I tried searching but nothing came up. for a 1991.