Hey guys Got started on the 76er with the dash removal, it went smoother than I thought, but one thing does lead to another and well now I have the windsheild off installing new glass ,heater assy out for new seals,ductwork...floorpans have been cut out My question is can I install new pans over the old Pans considering whats left, or is better to cut old out and then install new.Also would like to know will it be best to mig the metal back in or should I invest in a spot welder.Thanks Bonehead