Not sure if anyone else has seen this, but PLX Kiwi makes a Wifi enabled diagnostics system. The system has a wireless transmitter that plugs into the ODB II port and transmits wirelessly to an IPod Touch / IPhone. (not classic, unfort).
Product website:
http://www.plxkiwi.com/kiwiwifi/
On Crutchfield:
http://www.crutchfield.com/p_579KIWIFIP/PLX-Kiwi-Wifi-Diagnostics-Transmitter-with-Sensor-Support.html?search=ipod+touch+car&ssi=0
This system yields any number of additional gauges and trip information.
Seems much cheaper than adding multiple gauges or buying a separate trip computer.
I'll look into one myself when I can convince my wife to let me buy a new Ipod touch
Here is a sensor list for one program - quite impressive.
http://www.palmerperformance.com/support/supported_vehicles/mazda_enhanced.php
Last edited: