8. After the old bedsides were removed and the cargo box prepped, it was time to mount up the new LMC Truck bedsides. It is critical that before the bedsides are welded on, they be aligned perfectly. If even a slight miscalculation occurs, the tailgate may not fit correctly or the cab-to-bed body lines may not line up. Getting all of this right is a long, painstaking process that requires experience and patience. After everything was aligned perfectly, Wells welded the new bedsides to the cargo box.