I bet it'll take 6-8psi easy.....and really make the most of it!
Hell, the guys in the Mach 1's with the Cobra Eaton top end conversion are running the stock 8psi pulley without breaking a sweat and they're running damn near that same compression ratio?![]()
On pump gas?
I'm not saying it's impossible, just really, really, really not an ideal foundation for boost.

) and tint.