Lawrence,

        I'm not sure, I'm told that the kit has a control box, I assume this
box does the "processing of the knock sensor and other parameters to
tune the advance.  David Marshall sells the Kit, David can you add any
input to this answer.?

Lawrence Johnson wrote:
>
> Mark, I was not aware that the Digifant ECU had any "knock sensor" input. What
> control module would you use to receive the "knock sensor" input and effect the
> corresponding spark "advance"?
> -Larry
>
> Mark Keller wrote:
>
> >          I'm interested in retrofitting a anti-knock sensor to my vanagon.  I
> > have found one kit, at Fast Forward, that is a possibility.  Any
> > comments on the advisability of this.