EFI with SPFI?

[Derrick Early]

Hi Jim,

> There is one company that makes an aftermarket Knock Sensor that claims =
> to retard the cylinders individually. It includes a meter showing the =
> amount of retard and an optional A/F meter as well. 

Who is it?

> they're good people. I can tell you a bit more about them if you're =
> interested..

Any additional information about Electromotive will be greatly appreciated.

Yours,
--
Derrick Early
early at finite.nrl.navy.mil