to the op, gilly is right, the 60x series engines are weaker that the 61x. perhaps he could have phrased it differently, but, anything he says i'd stand behind. he sees more mbs in a day than i see in a month. your response is out of line. perhaps you should've looked at his previous post on other issues before deciding his personality traits. i admit, i didn't look at your history but i can surmise a few things from the title and signature. you asked for a knowledgable opinion and received a few. good luck, chuck.