<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">and stick at a certain temp for an hour </div></BLOCKQUOTE>
Or two, three or even four hours. In your case, Rob, if you don't see a rise out of the plateau within two hours bump your temp to ~275. You'll want the pork done a couple hours ahead of serving time, one at minimum.