sounds like the clutch needs to be centered, did you line up the pressure plate with the pilot bushing? If you have it that close have someone push the clutch, with the transmission in gear shake it a little bit and it should go in place, you may have to turn the tail shaft a little for the clutch splines to line up.
Yes, the clutch was lined up with the plastic lay shaft provided with the clutch kit.
It's a short wheel base 283, 1958. 1/2 ton truck
