[1986nate]

sicksubie-supercharged, no cooling, built low compression completely forged internals, hydra, 14psi (it's limited because of the pulley setup)

YT-9psi non cooled supercharged, no problems
12psi non cooled, bye bye ring lands
above was all using the ecutune software, stock engines with typically near 200k miles
12psi, meth injection, custom-one off intake manifold, hydra, near 200k mile stock block, seemingly no issues but wasn't run all too much before selling it to Rob who went back to the 9psi pulley and removed meth injection as it is illegal in autocross. I can't remember if he went to water injection though.

Phil-9psi 93 octane tune using ecutune stage 2, blowthrough maf, BIG front mount intercooler, stock, low mileage engine, also utilizing an AFPR

I believe these 3 are the most "extreme" setups that the info is truly "out there" for.