[zcsohc]

You can boost up to about 10psi on d series motor of it needs to be very well tuned and a intercooler is mandatory, you can get away with up to 7psi with out needing to visit the dyno for good tuning. So you will make the power you want very easily 150whp 6psi would do it Goodluck

 

[klungemonger]

Thanks dudes, any more advice keep it coming!