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How to get spot welds out of a car

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  • How to get spot welds out of a car

    Q. I'm rebuilding a 1965 Mustang Convertible for my daughter. I've got to replace the floor pans. Is there any easy way to break the spot welds on the car? (Submitted by: Dennis Budaj from Unknown)

    A. Sounds like a cool project. Spot welds are tough... Most of the time I end up plasma cutting them out. Breaking or using a chissle usually causes dinging and stretching of the metal in that area. I'll usually plasma around the whole piece to be removed and overlap a replacement about 3/4 inch and stitch weld it back in place. Then use a good quality seam sealant and caulk both sides of your repair. Try not to continuously weld the floor back in. It will buckle and warp. Spead your stitches out and come back over the area a few times to complete the weld.