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Discussion Starter · #1 ·
from serching it seems like you guys are using 300zx twin turbo O2 on your sr20det bluebird engines. can any one confirm that.
i need to know what year zx? and is there difference between size of O2 on your u12 and u13 sr20det. mine is u12
 

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If you are running the bluebird ECU, then get an o2 sensor from a '89 Z32 300ZX turbo. This is a 3 wire o2 sensor with red, black, and white wires.

If you want, I can get that o2 sensor for $80 shipped to you with my discount.
 

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As stated, go the 89 turbo 300z o2 sensor, that's what I was running with the U12 ecu and still am running.

Don't mean to hijack here... I am curious though, when you swap over to the JWT ecu, are we supposed to use the USDM Sentra SE-R o2 sensor?

-Travis G.
 

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N13 Freak said:
I am curious though, when you swap over to the JWT ecu, are we supposed to use the USDM Sentra SE-R o2 sensor?

-Travis G.
If JWT re-programs your bluebird ECU, then you keep the 300ZX o2 sensor.

If they re-program a B13 ECU, then you need the USDM o2 sensor. You will also need the USDM TPS and coolant sensor, too....IIRC.
 
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