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RX-7 3rd Gen Specific (1993-2002) RX-7 1993-2002 Discussion including performance modifications and Technical Support Sections.

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Old 07-06-2014, 11:42 PM   #1
speedjunkie
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I know this is an old thread, but I have a couple questions, I just want to verify that it'll be ok.

I don't have stock gauges in the FD anymore, switched to Speedhut. So I'm thinking about deleting the stock oil pressure sender and putting the aftermarket (Spa Techniques) sender in its place. I'm switching from a Power FC to Adaptronic Select...it shouldn't cause any issues with the ECU, correct? I've been told the stock pressure sender feeds info only to the gauge cluster, not the ECU, but I wanted to make sure.

Also, since I'll only need one more port for the oil temp sender, I've been thinking about getting rid of the sandwich plate I've been using, but I'm trying to think of a good place to mount the sender. I've thought about mounting it in the bottom of the stock oil filter pedestal or in the Mocal thermostat before the oil coolers. I think I've seen someone mount it in the thermostat. If I do either of those I want to make sure it's not obstructing oil flow.

And right now I have the water temp sensor tapped into the water pump housing, right behind the thermostat, because I wanted it in the hottest place on the engine and I figured that would be it. But now seeing that someone else mounted theirs in the stock port, I'm thinking about doing that. Would there be any problems with the ECU by getting rid of the stock water temp sensor or does it feed only the gauge as well?

Any suggestions?
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Old 07-07-2014, 12:08 AM   #2
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Bash for thread ressurect and I have no idea what you are talking about.


So you are running a piggyback ecu still so you are wondering if they will feed signals to the piggyback as they did the stock ecu? If you switch the sender's?

Just make sure and hook the same wires to the new senders and I would think that wouldn't change a thing. Make sure senders send the same values. Anyone else?
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