| From the Information I've gathered on the NA FPCU.. it's two speed.. the TT FPCU is Three Speed.. I've herd TT ECU HARDWARE will not run a NA FPCU properly.. I do not think it's that cut and dry.. I've herd conflicting accounts of what happens.. Run a Fuel Pressure Gauge and check fuel pressure during all loads and it will tell you if your FPCU is dropping Pump Voltage while shifting between speeds..
If you get brave you can chip it over to what ever you want.. as a Auto TT '90 has all the outputs available in the ECU's.. [ http://www.twinturbo.net/nissan/300zx/forums/technical/view/1147286/Chipping-the-ECU.html ] I just chipped a bunch of NA ECU's when I was in the mood, and put them in all three of my NA's.. I tossed in a TT ECU with an NA Chip in one of my NA's and drove it around for a month checking for issues.. I did not find any problems.. Lately I've stopped playing.. this work thing is getting in the way of my fun.. Cj
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08:49:05 11/21/16
