Plug Weld Floor Pans?

Now , I did try welding floor pathes in an old caprice cop car with a stick welder . It worked but the welds were snotty (lots of grinding) and if any flux stays caught it WILL spawn corrosion (it did in my case)the only way to make sure this doesn t happen you will neen to do tacs and grind/chisel away the flux , this will be so time consuming and if you count all the grinding supplys you can probably buy a base 120 volt wire welder(usually wire included) 90 Amp Flux Welder Here is one for 99$ at 174 you can add gas , with wire feed you still have to deal with flux but even then you will have 80% less grinding to do just dont overlap welds if the flux hasn t been chipped away!Gas welding is going to put lots of heat and warp even though it is not noticeable it will cause you alingment problems on any other subsequent repairs , I have seen a door not close properly after some floor work!!!Heat applies to the stick welder too , stich slowly move to another area...Also the gas welding will cost you in oxygen that little welder!