This is so cool I thought I would share it with you.
This is the real time screen from the OBD II software 
I just got for the Ford Cougar. You can plot up to four
parameters like fuel injector pulse width as it is 
happening and capture the data to a file.

If you have a 1996 or later car this is the data it puts
out through the OBD II LAN connetor. ALL 1996 and later cars
have this capability! All you need is a notebook computer
and this software and hardware interface.

http://www.carcomp.com/

Right now the car companies are way ahead of the aircraft 
industry with this stuff. If I were building an instrument
panel I would do like Burt Rutan is doing. I would leave
a big hole in it for a PC compatible notebook computer.

When the time comes your engine control computer could
put out this kind of real time data. (Sorry Tracy. more
creeping featuritus.)

Paul Lamar
 
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