- Joined
- Aug 3, 2010
- Posts
- 30,794
- Reaction score
- 29,379
- Location
- Usually not in Ohio
- First Name
- Andy
- Truck Year
- '77, '78, '79, '84, '88
- Truck Model
- K5 thru K30
- Engine Size
- 350-454
im not sure if the 80 k20 was offered with th400/205, everyone ive seen had the 465
First, '79 K30's got the np203. '80 was the first year the K30 got the np205. And yes, the '80 K20 got the np205 too, because everything that year got the np205.