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Re: [Spridgets] Knock sensor

To: spridgets@autox.team.net
Subject: Re: [Spridgets] Knock sensor
From: "Glen Byrns" <grbyrns@ucdavis.edu>
Date: Tue, 3 Mar 2009 17:23:19 -0800 (PST)
Hal,

Since I'm running Megasquirt and a turbo, I would be the target buyer for
one of these.  The problem as I learned was that they work best on engines
with hydraulic lifters.  The flat tappet cam of a Spridget makes too much
knock type signal when there is no knock.  You would bolt it to the head or
backplate.  If I find out that the knock signal can be accurately gleaned
from the din of slapping tappets, I'll be hooking one up the next day.  The
knock signal would trigger Megasquirt to retard the timing.

Glen

> Anyone out there using a knock sensor?
> This looks interesting, especially if you are injecting the fuel.  Glen?
> Where would you mount it?
> Hal
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