mancini tube upper control arm failure....

Last time I saw a loss-of-control like that from driving on the street it was from a broken torsion bar. How are the T-bars on that car?

It also is pretty stupid to run a big block blown(?) car with drum brakes.

Who spends money on tube uppers but runs the stock brakes? What the heck is that about?

All that said, the weld should not have broken.

Steve