chengny
Full Access Member
- Joined
- Feb 22, 2012
- Posts
- 4,084
- Reaction score
- 1,024
- Location
- NH
- First Name
- Jerry
- Truck Year
- 1986
- Truck Model
- K3500
- Engine Size
- 350/5.7
I think its just a sequential thing - except for the first alpha value.
That first letter designates the year (1984 -86)
1984 codes all start with X
85 = U
86 = Y
From 1980 through 1983 the code was only 2 letters.
That first letter designates the year (1984 -86)
1984 codes all start with X
85 = U
86 = Y
From 1980 through 1983 the code was only 2 letters.