Ok I give up, I'll just stay over here on the wrong side launching at 2500 rpm with my factory 318 converter. I'm not alone over here...
http://www.moparchat.com/forums/showthread.php?t=57725
two basic factory converter designs 120K and 145K that stalled differently depending on what they were in.
converters performing different then that are either aftermarket, broken, or the trans is slipping.