hydroboost stalls car

[viper11]

hi
I just finished installing hydroboost on my charger, its off a 98 ford mustang,
I'm still using my stock mopar power steering pump with an inline-t the power-steering has straight through flow on the return and the hydo t's in at 90 degrees(hopefully that makes sense)
when the car is idling and in drive, if i press the brake pedal the car will die down and stall, the power steering belt squeals a bit on startup witch I will tighten tonight but it seems like the pump stops the motor?
any ideas or remodies?
thanks jason

[terryr]

Sounds like the pump is going bad, or can't take the strain. Or the lines are attached wrong, and forces the high pressure back against the pump somehow.