Ignition retard knock sensor.

[David Piper]

I have schematic of orig Carter knock eliminator.  Understand that each
engine has unique acoustic profile that may require filtering to be
effective.  I applied MSD knock detector to my Z on DynoJet to no avail.

Better design uses DSP customized to engine.



At 12:26 PM 5/25/99 -0700, you wrote:
>Is anybody here working on some sort of ignition retarding knock sensor?
>I know the basics of how they work, but have seen a lot of discussion
>in the past couple years about how difficult it is to filter the 
>sensor output accurately, especially when dealing with different engines
>and sensor locations.
>
>I'm having a serious problem with knock on my turbo'd engine.  To the
>point I'm actually considering dishing out the $400 - $500 (or more)
>for the J&S knock sensor system.  I've found a lot of reviews of it on
>the net and it does seem to work as advertised.  It has the ability to
>retard individual knocking cylinders instead of all cylinders when
>knock is present.
>
>Thought I'd try the list first to see if there was a project in prgress
>that I could maybe get in on and help out any way I could.  Or, if
>maybe there is already a DIY kit someone is working/developing on that 
>they're considering selling.
>
>thanks
>--Dan
>houlster at inficad.com
>http://www.inficad.com/~houlster/amigo.htm

TurboDave