Quote Originally Posted by Dave Severson
Yup, all the things Pat said. Mig is ok for exhaust, but on intake tubes, especially pressurized by a turbo, tig is the only way to go. There might be some folks who can stick weld them and not have leaks, but it takes some very good welding skills to do it!!!
hardest thing to weld is tube or pipe i ground my welding table and set the joint up for a ligth tight fit up after tack in the 3 spots. i roll the tub with one hand and tig weld with the other with no filler rod