Re: Desensitizing GM knock sensors

[Shannen Durphey <shannen@grolen.com>]

Jim Wilson wrote:
> 
>      Rodger and Bruce,
> 
>    As far as the bottom end is concerned its a  complete Lunati Stroker w/
> 6" rods so as far as rod to stroke ratio it is the same as stock.
>      In regards to this knock retard problem I have tried a 6# pulley and
> there was no change in the K R. What I get on the Tech 1 is 1 frame of Knock
> Signal at the 7 degree spike then the retard will go down but never approch
> 0. This is every frame at 100+ KPA. What I was thinking was that since the
> KS did not resurface after the initial hit it  the KR I am seeing is just
> the ECM reacting to the single KS. In any event I am not running at 100%
> throtle until I can find out exactly what is going on.
>     Also I am running 42 # Lucas injectors and the transmission is a
> 6-Speed.
>                            Thanks to all for the input,  Jim
You might also want to confirm that the ks is detecting knock, and
that you're not seeing a piece of data that hasn't been refreshed for
the scantool.  Silly, but that kind of thing can happen.  
Shannen
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