TwinTurbo.NET: Nissan 300ZX forum - Why are these ECUs so different?
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Subject Why are these ECUs so different?
     
Posted by Metacom on December 22, 2013 at 7:25 PM
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Message [ http://i.imgur.com/rwofMl9.jpg ]

[ http://i.imgur.com/7eKoK6J.jpg ]

ECU on right is the ECU in my Z when I got her. ECU on the left is what I was told, a factory 94 tt 5spd federal which is exactly what I was looking for. The ECU on the right is a late 94 TT 5spd Federal.

Got curious, opened them up and they're completely different. I checked the part number on new ECU and it came back as a late 93 TT 5spd federal. Thatll work too. But did the ECU make such a big change between 93 and 94?

Or is my "new" ECU something completely different?

My Z does run better with the new ECU though...


     
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