Started working on my revised ECU-controlled wastegate solenoid setup. It works now and I can control boost.
The annoying thing is that this HKS actuator doesn't seem to regulate boost that well when I'm running straight off of it. It goes 0.1bar higher when it's cold, and generally doesn't stick too closely to it's setting. Anyone have an S14 or S15 actuator I can borrow?
Also, I inherited another swapped white S14 from my brother. Now I have a pair of them! It's getting some refreshed parts and the tune touched up. Best thing now is that I can run both cars back to back and make sure mine's faster.