I was just wandering, how big of a deal would it be to swap my 4L60 for a manual tranny? And what manual ones would fit my 5.3 motor? It's an 02 Z71. I know, your gonna think im crazy, but I always preferred a manual, and my auto will go out within the next year or 2 anyways, so I was just wandering if anyone had done this and what the possibilities are. Would I need a new PCM? Just curious.