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Unread 03-09-03, 04:50 PM
Mark Hislop Mark Hislop is offline
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Join Date: May 2002
Location: Aurora, IL (ARR)
Posts: 171
Mark Hislop is an unknown quantity at this point
I'm not familiar with the JPI, but I have a GEMS 1200 which was STC'd as a replacement. I don't think that the GEMS has as many bells and whistles as the JPI, but it has everything I wanted....individual selectable digital readouts for each EGT and CHT, individual readouts for TIT, analog bar for each EGT and CHT on every cylinder visible at all times, alarms, and leaning. I have had two GEMS units in two different aircraft (my 73 P337 and a Seneca II) and they have always worked.

Mark
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Mark Hislop
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