What kind of fuel pressure are you running on 30s and still getting a good A/F? With 42s you can run 45psi and 80%injector duty cycle and not worry about burning out the injectors or fuel pump.

I've had this site checked out by two people who's opinion I respect and they said the numbers check out.

2000 Rio Red I4 Cougar 200whp & 210wtq at 9psi 254whp & 276wtq with NX 35shot WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip