Can ya send me the plots?
Thanks,
- Bernd
bernd@texas.net
At 11:12 AM 04/18/2000 -0400, you wrote:
>I'm not sure about the knock sensor being there, but the
>timing in MAP systems is based on a table that plots
>RPM & MAP.. The principle is the same for MAP systems
>from Mopar & GM. I believe CC makes more extensive use
>of block learn cells to tickle the mixture & timing. Just a guess though.
>Write me off list if you want examples of typical fuel or spark tables
>Cheers,
>Mike V
> >
> > I hear ya - isn't that kinda wild to have 36-40 degrees advance almost
> all
> > the
> > time? My scan tool reports the same thing - anytime the rpm's or mph are
> > much
> > more than idling and low speed - it jumps way up there. I guess thats
> how
> > they
> > get the magnum motors to get better fuel economy (vs LA blocks). It just
> > don't
> > seem right considering they usually weigh over 4500 lbs. Have you found
>out
> > what the major contributing factor is to the spark advance? It looks
> to be
> > related to TPS, MAP, and/or VS as far as I can tell. I understand
> that the
> > magnum motors don't have a knock sensor and supposedly they sense knock
>via
> > the
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