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[new title] 77 280z w/ l28et regeneration

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#61 brapattack



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  • Cars:1977 280z w/ L28ET swap

Posted 03 July 2017 - 11:21 AM

This car is still set up with the single wire, narrow band O2 sensor, as far as I know, the wide band ones didnt kick in until the later 80s 300zx ECU setups.


My sensor is an NTK specified for use with 79-83 280zx cars, which is the motor and ECU i have.  The air/fuel ratio gauge is an equus 8366


Im gathering parts to do the 300zx z31 computer, MAF and crank angle sensor.  The car is not actually running lean (as far as I can tell) and it survived that long roadtrip fine so I'l probably just wait till I do this swap to try again getting an accurate air/fuel ratio gauge working right.

#62 Slowpoke


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Posted 04 July 2017 - 03:53 AM

Get a legit wide band, preferably Innovate or AEM. Then research Megaquirt.

#63 Crashtd420


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Posted 04 July 2017 - 04:24 AM

The innovative Innovate Motorsports (3844) MTX-L Wideband Air/Fuel Ratio Gauge Kit, is real nice.. it can be stand alone, has data logging abilities and it has extra outputs to send a signal to an ecu.... plus i believe the computer program it uses allows for parameter changes.....