You can either put in an gauge like an Autometer or Isspro, or i believe you can get a transducer and hook it up to the livewire. i don't have a livewire so I'm not 100%
EGT's should be in the neighborhood of 700-900 cruising on the highway, short bursts at and over 1400 seems to be pretty acceptable for most guys. medium runs should be in the 1100-1200ish range, like a long uphill on ramp or something at around 3/4ish throttle.
personally i wouldn't want it over 1200 for very long. anything over 1600, i'd be getting nervous
