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In a message dated 98-11-12 03:08:53 EST, Marv asks:

<< While we're on this topic I have a question for those of you out there
 running turbo systems... is it typical on a turbocharged installation to
 include sensors and gauges for both EGT and TIT?  Either way, what are the
 advantages/disadvantages to having either or both on a turbo'ed powerplant?
  >>

 I use EGT (and CHT) to monitor the engine mixture/cooling balance. I lean the
engine to the TIT as it is an average of all the cylinders. EGT and CHT  are
well matched between cylinders in my IV-P, the result of about two dozen test
flights tweaking the baffling.

Brent