I have a zietronix wideband / EGT / Boost / logger etc w/the optional LCD display for sale.
As seen here:
Info:
Zt-2 Specs
* 0.1 AFR accuracy
* Operating voltage 10V to 18V
* Switching power supply for oxygen sensor heater
* Precise sensor temperature control
* Reverse polarity protection
* Integrated self-resetable fuse
* Positive lock connectors
* Protected inputs and outputs
* Flexible Plug and Play Sensor Harness with a small, easy to route through the fire wall, connector
* Wideband Oxygen Sensor included
* Easy to install plug and play kit
* Adjustable Narrowband Switching Point
* Warning Alarms and Triggers
Inputs/Outputs:
* Bosch Wideband O2 sensor
* Linear Wideband Output AFR=Vx2+9.6
* Nonlinear Wideband Output
* Serial data output to the Zeitronix Wideband LCD Display
* Serial data output for real time datalogging (PC laptop required)
* RPM Input ( tachometer or primary side ignition coil input).
The RPM input works in any car and any ignition system. No additional adapters needed!
* Simulated Narrowband Output to feed a stock ECU
* Throttle Position Input
* Boost Sensor Input
* EGT Probe Input
* User Input
* Warning Output
Links:
Controller/logger: http://www.zeitronix.com/Products/zt2/zt2.htm
LCD Display: http://www.zeitronix.com/Products/zt2/zt2.htm#LCD
Has about 2,000 miles on it. Sells for $400 + shipping from Zietronix, looking for $300 shipped. Comes w/Wideband O2 sensor.