Re: True definition of Knock

["Bruce Plecan" <nacelp@bright.net>]

> MVCOG sensor = Most Volatile Component Of Gas , of course :)!

Ya, just makin sure you knew <g>.

> I am now doing exactly what you state here.  I turned of the KS at 4000
rpm in PE mode after
> removing up to 25 degrees of timing all around the area setting the KS
off.
> I am amazed at the configurability of the AUJP code everytime I need to
change something like
> this.

Azin ain't it

> Come to think of it I have a couple of ESC filters from V6's that I might
try, too.  Hmmm...

You'd have to cut them off, since the cyl select is wrong

Any numbers you have will be dually recorded (for the truck fans)
Grumpy

> Would it be worth posting results and part numbers?  Who was it that was
compiling a list?
>
> Squash
>
> --- Bruce Plecan <nacelp@bright.net> wrote:
> >
> >  MVCOG sensor
> >
> > Once in english please.
> >
> > > I did find a difference in ESC filter located on the memcal.  But i've
> > only got 2 and it's purely
> > > experimental as to which one to use.
> >
> > Tune with either one.
> > Get it so no KS retard
> >
> > Go down one grade in gas, note results.
> > try other the other filter, note results.
> > If you were close in the first calibration, then a couple times like
this
> > will tell you which is the most sensitive.  Then try tuning with the
least
> > sensitive (and good gas).  When ya think you close, pull some plugs and
look
> > for any signs of detonation.  If there are then use the other memcal.
> > >
> > > Squash
> > >
> > > --- Bruce Plecan <nacelp@bright.net> wrote:
> > > > Totally, self explainatory
> > > > Grumpy
> > > >
> > > > > "Knocking occurs when a minute portion of the most volatile
component
> > of
> > > > > gasoline reaches the cylinder a fraction of a second before the
> > principal
> > > > > fuel charge, which is supposed to arrive at the instant the spark
plug
> > > > > fires.  When the more volatile fuel arrives early, the heat and
> > > > compression
> > > > > inside the cylinder cause it to ignite before the main charge,
which
> > in
> > > > turn
> > > > > causes the knocking you hear."
> > > > >           --Bruce W. Smith, Auto World Weekly (July 18, 2000)
> > > >
> > > >
> > >
> >
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