Some months back I bought a chopped cab for my ford f1 project truck. The cab had some rust seeping through, so I elected to strip the cab down and after layers and layers of plastic filler I found a square shape cut of the center of the cab and a divider in the center. I have a ton of questions regarding this chop. First is there a style name for it? Second, what year or period is this from? Third, Can I just take a 18 gauge piece of metal and fill in the gap? Fourth does anyone have a plan or can offer suggestions on the repair method that should be used?