I thought this car was going to be a nice DD. HAHAHAHA. Speed Inc has some nice turbo cams you should look at. Their TU1 cam make over 700 RWHP in a stock cube motor.
CamDurationLiftLSAint.exh.int.exh.
TU0 216 216 .561.561 114
TU1 225 225 .581.581 113
TU2 236 236 .587.587 112.5
TU3 240 240 .588.588 112
Personally, I would run two walbros.
You might want to look at Nasty Fuel system as a basic starting point for fuel systems.
http://www.nastyperformance.com/FuelSystems.html