Tach signal / knock sensor power increase?

[Joe.Doty@lcnetwork.com (Joe Doty)]

Is this what you're talking about?  This is something I saved from
somewhere a while back:

> The computer for the knock control has two ignition maps you can use,
> Europeon (Hot) and North American (Cold). The base timing on a big
> valve head, 1985 and up is 6 deg btdc and with the knock sensor and
> Euro ignition map you can push your timing to 12 - 15 btdc. With these
> two changes you get about 5 - 10 hp gain and when you use super
> unleaded you can feel the difference. (you can also change to a Euro
> ignition map in any CIS-E powered motor by cutting the jumper from pin
> 3 to pin 11 on the knock sensor control unit and don't forget to
> advance the ignition) This is such an easy conversion, I would
> encourage everybody to do it.

Joe Doty
IT/Development
joe@lcnetwork.com=20

> humm i though the TAch signal (rpm) was the pin 7 of the TZH box not
the
> knock box.
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> ATS - Patrick Bureau - txrocco@sbcglobal.net
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> =3D>-----Original Message-----
> =3D>From: scirocco-l-admin@scirocco.org
> =3D>[mailto:scirocco-l-admin@scirocco.org]On Behalf Of Ryan H
> =3D>Sent: Tuesday, April 01, 2003 11:20 PM
> =3D>To: scirocco-l@scirocco.org
> =3D>Subject: Tach signal / knock sensor power increase?
> =3D>
> =3D>
> =3D>OK guys, can someone tell me what wire to/from the knock box
> =3D>(16V) is the tach signal?  And also, look at this pic.... in the
> =3D>bottom right it says something about increasing power by
> =3D>unconnecting two grounds... um, anyone try this?  Where are they
> =3D>connected together?  At the harness connection?
> =
=3D>http://home.mindspring.com/~tberk/_uimages/Knock-Sensor-Diagram.JPG
> =3D>
> =3D>
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