Guys thanks heaps, appreicate the replies. i've since turned the boost down to 10psi. and i understand what ur saying about the zener mod.i made a fcd last week, but havn't been able to get it to work . I knew that the ecu cuts at approx 12psi, i dind't reliase that the ecu had no mapping there in..so yeah it would run rich as a dog and most likely have little if any further gains.
I've had my eye on the blitz ecu on ebay aswell.. i don't know enough about it yet to make a decision though.