Mounting the cab on chassis was a huge chore because I chose to lower cab down over the chassis.
It took days/wks just to find proper location for cab on chassis
Of course then fitting box to new chassis was also a huge job
Decided to make attempt at installing the new F150 floor and firewall into the '66 Cab
Along with the new dash. Because of all the electronics they simply would not fit in the tiny '66 dash
Bought a new 4 post hoist to help with my builds.