Last month, in the first of our four-part series, we covered gas welding. This month we'll continue by delving into MIG welding—far and away the most popular welding process used for classic trucks.

Experienced MIG welders will be insulted by the simplicity of these welding tips, but they may help folks who weld infrequently. Many of us learned to weld with an old “buzz box” arc welder. We were ...