ION EGOR

[Mike Morrin]

At 19:51 28/05/98 -0700, garfield at pilgrimhouse.com wrote:
>
>ION is the project for getting electronics to be able to detect misfire
>and knock using the new "ionization current" detection scheme that Saab
>has pioneered this decade, which uses the spark plug as a sensor to
>measure the residual ionization current after the spark has fired.

I was completely unaware of this idea before joining this list a couple of
weeks ago.  I was talking with someone about it yuesterday, and he said
that one of the US manufacturers  was doing something similar, but with the
ionisation probe in the exhaust port.  

Does anyone know anything about this?, how does it compare
(performance-wise) with the Saab scheme?


TIA Mike