Jacob's and IONs

[Bruce Plecan]

----- Original Message -----
From: Shannen Durphey <shannen at grolen.com>
To: <diy_efi at efi332.eng.ohio-state.edu>
Sent: Sunday, April 25, 1999 10:30 AM
Subject: Jacob's and IONs

Short answer is I've got 100K miles on a Jacob's, and when I first installed
it, there was a very slight improvement in mileage, and ET.
  I have had it "ping" just like any other system would, weither at a
different level of detonation, I have no way of measuring.
Bruce


> This is a patent for a Jacobs ignition system.
> http://www.patents.ibm.com/cgi-bin/viewpat.cmd/3827418
>
> I've watched the Jacobs spark patterns on an automotive scope, and
> they are similar to an MSD multi-spark system.  I'm not one to trust
> manufacturer's promotional literature.  Is there anyone here that can
> give me a rough translation of this (Jacobs) system with respect to
> mfgr's claims "senses when the flame goes out, and restrikes the
> plug"?  How would this system react to detonation?
>
> Shannen
>