Help with steering

[wagonslayer]

A buddy of mine swapped in a chevy dana 60 ,high steer arms,crossover steering and a 2 wheel drive box on his truck and can't steer left going forwards but can going backwards.As far as he knows nothing is binding.Any thoughts?

 

[junkyard jim]

which way are the shackles?

 

[Poohbair]

... is the diff welded?