You can run without an amal valve by connecting the actuator pipe straight to the compressor housing. The amount of boost the turbo produces will then be dependant on the actuator spring rate (ie a standard actuator will run less boost than a -34 actuator).

The chip will not have specced for use with the T34 if it is an off-the-shelf chip for use with standard injectors. The turbo will produce more air than a T3, so the engine could well be running lean on boost. Bang.

Get a proper set-up, or an off-the-shelf chip, actuator, map sensor, and injectors to suit the turbo.