i've pushed 15psi+ on my stock y7 on the stock mapsensor, but it doesn't mean i would recommend it to everyone or continously run it daily myself.

think about it, you're talking about a motor that honda never intended to turbo. since it's honda, they over-engineer a bit, but do you honestly think stock rods and cast pistons really can handle 250-300 MORE hp than the motor came with? that would mean a stock rods/pistons b16 making 380-430whp.

is it possible? sure. reliably for a long period of time? probably not. if you're willing to be the one to show the world that it can truly be done then go for it. everyone told me i was crazy to boost the sohc 5 years ago much less push a motor that makes 85whp over 200whp. the thing is i was willing to take that chance and not blame anyone if it blew up.

recommendations to get what you describe would be to boost a gsr and drop it in a light chassis. rods and pistons would give you much more flexibility and would keep you from having to sleeve it unless you wanted to push more than 450-500whp.