K10 is right, either truck could be ordered either way, except 4x4s all had leafs F&R.
The coil spring trucks could have overloads installed, they look like half a leaf spring mounted to the rear.


My \'64\'s in the Gallery
Pictures in my Photobucket
1964 C10 Custom Cab 350/700R4
1964 Suburban 350/700R4
1979 Ford F350 4x4 400/c6