300ZX (Z31) Performance / Technical Discussions related to Turbo charging, Supercharging, Engine, ECU, exhaust, and etc. performance enhancements and Techical related.

85 ECM on 87 car?

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Old 01-29-2013, 05:26 PM
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85 ECM on 87 car?

Basically I'm wondering if a 1985 turbo ecm will work on a 1987 turbo car? I'm asking this because I found a 1987 300ZX Turbo for sale and the guy claims it doesn't run because the ecm got moisture in it, so I'd like to know if I could just plug in my ecu into it to see if it will run.

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Old 01-29-2013, 05:58 PM
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Click: Xenon - Z31 ECU Differences
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Old 02-27-2013, 12:45 PM
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What about if your using Nistune with the computer will the injector type and O2 sensor type matter?
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Old 02-27-2013, 01:01 PM
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^^^ Did you click on that link?

The type of O2 sensor and injectors are dependent on the ecu year.

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Old 02-27-2013, 01:34 PM
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I did click on the link, I'm just curious if the Nistune can change that.
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Old 02-28-2013, 07:49 AM
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Those are hardware specific, not software specific. You may be able to make those changes w/ NisTune, but you will also have to make changes to the ecu hardware (i.e. install / remove resistors). I believe another difference with the O2 sensors is the 1-wire vs 3-wire heated. Those are two different types that you can't just "switcheroo".
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Old 03-03-2013, 09:04 PM
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Alright thanks
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