How To Properly Weld A Truck Frame. For one MIG is considered to be easier to use over TIG and on top of this it is easier to correct as well. Drill stop crack check holes at each end of the crack.
He said moments on a truck frame can be measured from the front axle the front end of the frame or any other point as long as. When welding theframe you should preheat the weld area in hot climates or when ambient tempsare above 90f the first or root pass may be sufficient to accomplish this but Inormally will bring the frame temp up to spit fry temps around 220f to 300f forat least the first 6 inches. To re-inforce either load frame inside with tubing that fits inside of current frame or weld on fish plating or load dispersing panels on the outside as mentioned.
It is important that this is a solid weld.
It is important that this is a solid weld. The flanges top and bottom of the c need to be sound no undercutcoldlap etc the web not that critical. The fact that MIG is easier to use and easier to correct as well makes sense why it is preferred by a lot of people. Stretch limos C-notched frames extendedshortened wheelbase trucks such as toter-homes hearses all have factory frames that have been made longer or shorter with the frame re-welded.