if dolcontin is morphine sustained release, the its pretty much useless for anything other than eating a whole pile of it.. unless you have a coffee grinder handy and grind the fuck out of it, which i find is a good way to defeat the time release. however, i still wouldnt bang it, and im pretty sure snorting it wouldnt be all that effective, either. but its worth a try.
IMO, in instant release form, morphine is on a per mg basis just as good as oxycodone