Stock piston Rev limit

I have some experience with Boosting standard internaled engines. (Albeit not sbm) And what I've found is that on an otherwise stout bottom end, that cast pistons give up the ghost under any abuse. Broken plenty of ring lands, and burnt a piston or two. and one motor the slug completely disintergrated. (piston crown was snapped clean in two)
Things that help prolong engine life are, a nice big cam. More lift, and a bit more duration means more charge gets into the cylinder. less restriction means a lower boost figure for a given amount of charge. Lower boost=less heat. etc.
I've also found that having the crowns of the pistons thermal barrier coated worked wonders to stop them burning. I pound on my current supercharged motor every time I drive it. And it holds up.
I'd love to try what you're planning, but the cost (of even your low buck ambition) prohibits me. Most guys with properly built set ups start off on the cheap. And they break a bit of stuff. But that's half the fun isn't it? And maybe you'll get lucky?