12 psi on stock

hey guys i wa sjust wondering if yiou have put 12 psi on a stock bottom end engine. I was thinking of putting a procharger on my car this summer and I'm trying to get 450 at the wheels . Any help you guys could give me would be greatly appreciated. thanks. Heres a list of current mods. bassani x w/cats,bassani catback, 3:73 gears,subframe connectors,densecharger intake,h&r springs,tokico 5 ways,and fr500 wheels on the way.
 
The short and sweet equals this...

Dont even try it!

sorry i cant be more help :banana:

if you have to push psi, do not go past 8 with stock internals. To be somewhat safe dont go more than 6 psi. To stay safe, dont mod it one bit. Get where Im going with this :nice: