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Kevin:
I'm not familiar with the JPI product line. I have a GEMS 1200. It is designed for twin engine applications. It has two sets of bar graphs (one for each engine) and two digital readouts (one for each engine). The bar graphs show the EGT's for each cylinder, and use a missing element of the graph to show the CHTs for each cylinder. The digital displays are switch selectable and are independant of each other. So it is possible to have all of you CHTs, EGTs, and independant temps displayed in a single 3 1/8" insturment.
Unfortunately the GEMS does not have inputs for oil temp, voltage, fuel flow, and some of the other things that the JPI apparently has. I already have those things in other instruments, so maybe ultimately we are both using the same number of instruments anyway!
Mark
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Mark Hislop
N37E
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