Hey Taff:

I had a 66 c20 and it had 8 lugs as did the c30. The c10 has 6 lugs. Sometimes owners convert the c10 from 6 to 5 lugs to fit later rims and also because they might have upgraded their brakes to rotors to.


1960 Chevy Apache (C10)
1965 Chevy C30 Dump Truck
1966 Chevy C30 Tow Truck