Welding requires skill, knowledge, and equipment. Some 15 or 20 years ago just a handful of 4x4 hobbyists were dabbling with metal inert gas (MIG) welding in their home shops, mostly welding steel.

TIG welding produces temperatures up to 35,000 degrees Fahrenheit, yet this concentrated heat can be precisely controlled and directed. When filler metal is required, it can be added manually by ...