ive been a welder for the past 20 years
im welding my chassis 25x25 shs 1.6 thickness, using a 170 amp single phase mig, gas im running will be carbon dioxide, ( use plenty of anti splatter spray ).
For all my front and rear end suspension parts, ill use mig to tack them up but over here in New Zealand all final welding of suspension parts MUST be tig welded up then crack tested.
Also we arent allow to weld the steering shaft MUST be splined and pinched bolted to the universals.
hope this helps
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