Knock sensing

[Bruce Plecan]

-----Original Message-----
From: Brian Franchuk <franchuk at mm.com>
To: DIY_EFI at efi332.eng.ohio-state.edu <DIY_EFI at efi332.eng.ohio-state.edu>
Date: Sunday, March 14, 1999 11:57 PM
Subject: Knock sensing

Check the archives under Ion, lots of info. about it.  SAAB been using it
for 10 years,
by measuring ionization.
Bruce


I was wondering, has anyone out there built or knows of a way to
detect knock via the ignition system?  I think I saw an article on
this once where the current flowing into the spark plug just after
ignition can be used to detect knock and air/fuel ratios.

Thanks

Brian F.