SV: Ignition retard knock sensor.

[Gustaf Ulander]

Hi

How about the Saab APC (automatic performance control) system? Designed to
work on a tuboed engine, monitors knock and lowers the boost. Adjustable
too. See http://hjem.get2net.dk/bengaard/apc-syst.htm or
http://www.teleport.com/~bertram/volvoapc/ for descriptions on how to adapt
the system to another engine. Guess you have to be cautious that the sensor
react to "your" frequencys though...

Regards

Gustaf
-----Ursprungligt meddelande-----
Från: d houlton x0710 <tc75918 at hpra5.msc.az.boeing.com>
Till: EFI <diy_efi at efi332.eng.ohio-state.edu>
Datum: den 25 maj 1999 21:43
Ämne: Ignition retard knock sensor.


>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
>