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Subject: Exhaust Gas Temperature
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>Are the new pipes flowing better and therefore not keeping the hot exhaust
in the system as long as before?<

Jim Scales,
Yes, and don't forget, the larger pipe is probably running cooler and
therefore conducts less heat out of the probe.  The EGT gage indicates probe
temperature.  The exhaust gas temperature could be unchanged but the probe
is cooler.
If you want to see an increase in indicated EGT, put some heat wrap around
the pipe.  This demonstrates less heat conduction from the probe because of
hotter pipes.
Bob Jude