JZCracker
Junior Member
- Joined
- Nov 18, 2018
- Posts
- 11
- Reaction score
- 1
- Location
- Idaho
- First Name
- John
- Truck Year
- 1973
- Truck Model
- K20 FLEETSIDE
- Engine Size
- 350
I have a 1973 K20 4 x 4. I had a new engine an AC compressor installed. All works fine but when I get over 40 miles an hour I get a whirring like a freewheeling fan in the center of my dash. I'm about to take the entire dash off to investigate but would appreciate any insight if you have it
