Well I finished testing and tuning. The motor is still in one piece and ready to go back in the truck.
I'm a bit disappointed as I couldn't get it past 520hp and 633ftlbs. The wastegate and blowoff valves wouldnt allow me to go any higher.
I backed the boost down to 14 lbs. The 600 Eddy made 376.1hp@4390 rpm and 459.5ftlbs at13.9 lbs of boost. The 750 Eddy made 409.5hp@4587rpm and 485.7 ftlbs. at 14.04 lbs of boost.
To get the carbs rich enough I ended up removing the secondary jets entirely. I could have drilled and tapped the airbleeds to richened the carbs up but I'm running out of time to screw with it and this worked.
I made about 35 pulls and probably could have made another 35 but there comes a time to say good enough. So the motor went from 229hp naturally aspirated to about the same level as a 413 maxwedge with a little help of a cheap Chinese turbo. If at some point I feel a little 'gamey' it's just a spring change away from another 100hp.