Welding those pivoting housing mounts with the big rubber bushings in them successfully is about as likely as finding an honest politician. Save yourself a lot of grief and weld some new, rigid spring mounts onto the housing. They're available from racing supply places like JEGS or Racer's Wholesale.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!