Glad to see you are enjoying tracking the Snake Leslie!!
Temp a little worrisome...keeping in mind that 2001 waterpump impellers are known to fail!!!!
I have a new water pump, am wondering the same thing Steve.
Found this thread, might have to do some investigating
http://forums.viperclub.org/rt-10-gts-discussions/615214-strange-engine-heating-problem-new.html