Group question. If you could view operational information from your car, what would you want to see and why?

I'll start the list
- TEMPII - Diagnostic and troubleshooting
- WOT - Diagnositc and troubleshooting
- O2 Sensor - Performance monitoring and diagnotics
- MAF output - Performance monitoring
- Boost/Vacuum - Performance monitoring
- Alternator Voltage - Diagnostics

 

I think there are two approaches that make sense:

1. Voltmeter and WSM, cheap and provides most of the troubleshooting info.

2. Sharktuner-2, does all that plus data logging and ability to tweak maps and parameters.
http://www.jdsporsche.com/Mk%202%20sharktuner.html

 

yes on something older than an 87! We alreay have tools for the 87+

 

This can all be captured using something like the Innovate LMA-3 (Aux Box) or if you don't need boost info, the DL-32. That's what I have in addition to the STII.