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Re: Knock Sensor

To: Frank Clarici <spritenut@Exit109.com>
Subject: Re: Knock Sensor
From: Bill Elliott <wcelliot@concentric.net>
Date: Tue, 16 Nov 1999 19:48:16 -0500
Cc: Larry Miller <millerls@ado13.com>, Spridgets <spridgets@autox.team.net>
References: <000f01bf3075$fed349f0$40ad1404@fnmoc> <3831F638.F4BB2D8D@exit109.com>
Reply-to: Bill Elliott <wcelliot@concentric.net>
Sender: owner-spridgets@autox.team.net
We successfully use knock sensors in turbo Corvairs... and Audi's and
SAAB's... etc.  Were you going to turbocharge (or supercharge) an A
series engine, the use of a knock sensor would let you tune/boost
"closer to the edge" and hopefully retard timing before you could sense
a problem.  In a detonation-prone Corvair, it's the difference in the
engine surviving over 10psi of boost.  In the other cars, it's more of a
precautionary safety margin.

However, turbo cars are a special application and I agree with Frank
that it's unnecessary for a normally aspirated engine.

Bill Elliott
Lake Mills, WI

Frank Clarici wrote:
> 
> Larry Miller wrote:
> >
> > Anyone ever install a knock sensor in an "A" series engine?
> >
> > MSD sells one for $140 where the sensor is screwed into a block 
>>drain/access hole.
> 
> That's why you have ears! Besides, if it's knocking, it's too late.
> Sort of like the man on the side of the road checking his oil while the
> pistons are laying on the ground next to his car.
> --
>  Frank
>  Drive it or give it to somebody that will
>  http://www.exit109.com/~spritenut/

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