[V]

my motor came with a brand new waterpump and ls6 pvc system so those didnt matter to me. However, i learned in the past, if you put the time and money into a motor and all, anythign that can wear out, should be replaced new. Water pumps can and will eventually go, if you use a used one, itll go that much sooner. PCV systems have been always debated, some claim improvements, some dont. In you case, with an '02 and not having to cut out the boss in the valley, it wouldn't hurt doing the changeover, if it was a 98-00 i'd say dont bother.

personally, I changed my coils and all because of when my motor blew, i had misfire issues, yes those were attributed to the flooding and the stuck injectors, but i wanted to rule out any other possibility, more for a piece of mind. Im re-using my alt and starter just because I dotn have a reason to change them, my starter was replaced about 30k miels ago, and my alt worked perfect with my full stereo and never gave any signs of being weak. I even changed my heater hoses now while the motor is out since i thought i saw a leak last year, i wouldnt want to get a leak now and have to struggle to change it. Motor mounts i did for the hell of it, but when i opened the old ones, i saw the were shot and im glad i replaced them. my rockers i had rebuilt due to the known failure issues, oil pump was replaced with a ported one, and ARP rod bolts installed, all to just make me worry less abotu the little things.