my actuator signal is taken from the plenum, not the turbo housing or boost pipes

Could you post a picture of this please?

Do you not get wicked boost spike having the pipe that long?

hadnt thought of that, but yes you could well do if running it direct to the actuator. my actuator signal goes from the plenum, thru an Audi TT boost solenoid then to actuator and is controlled by the ecu. Your Omex new should be able to it too. makes it possible to alter boost infinitely thru the rev range and removes spikes.

actuators don't like vacuum

Well il be using my mbc valve inline until i get an electronic boost controller:)

afaik the boost solenoids have a oneway valve in them.

got myself a gt28r on my det, its a nice turbo, goin for 300bhp now that the cars off the road again lol:D