There may be some spot welds you just can’t get to with a drill. There are some that are sandwiched by the rear cab mount support and others to the top of the floor pan. You may need a long sawzall blade to cut it loose.
Kevin 1951 Chevy 3100 work truck Follow this saga in Project Journal Photos 1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car) Busting rust since the mid-60's If you're smart enough to take it apart, you darn well better be smart enough to put it back together.