Re: Power Data Graph - Was Re MAF BLM based tuning

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

> I guess I got the only good MAF sensor they made... non-stock cam (not
> lumpy, however it is a bit larger then asock all around, and uses 1.6
RR's)
> and it idles perfectly at 575.

My comment was about in limp home mode, with MAF disconnected....

Can't see how to get around the sensors lag, or ecm's update rate.
Still go for my VSS to timer idea.
Second ya go over the MAFs flow rate your games over.
Grumpy

> When I was on EFI list, there was an underlying desire by long timers to
> create a ECM list, to keep EFI for EFI. Whats this, I gotta start a
> GM-MAF-OUTCASTS list now?  ;-}
>  Hey I have an unrelated request. IF anyone has data from a 1/4 mile run,
> recorded to file, try to plot a XY graph using RPM as one axis, and LV8 as
> the other. If your LV8 is max(255), then use AIRFLOW insted, if you have
it.
> Check out the resulting graph, I'm inclined to think this is a good
> benchmark for checking performance gains, and for comparing power between
2
> engines roughly. Load verses RPM thru the gears (auto trans car looks
best).
> I can single out second gear data and use that as a single line
comparison.
> If anyone does this, email me a snapshot (screengrab:  alt-printscreen you
> know) of the graphic, or just the data so I can play some. Please anyone
> have any thoughts? Thanks.

> Subject: Re: MAF BLM based tuning
> > One's I get to play with always hava $hitty idle.
> > Grumpy
> > > Umm...  old Vettes run better sans MAF.  Ya gotta laugh when "limp
> > > home"
> > >  adds power and driveability.
> > > Shannen
> > > Bruce Plecan wrote:
> > > > Ah ha,
> > > > got it
> > > > unplug MAF,
> > > > tune limp home mode so Aplha-N works better!
> > > > Grumpy
> > > >   This is CSH humor at it's finest..
> > > > > Go figger... I can't tell if I crafted the wording poorly, if
there
> > was a
> > > > > global "why the h...", or if it's just too cerebral a question?
> > > > > I know, not worth an answer if it ain't MAP or LT1 PCM.
> > > > > Turns out I think I can fake it using the MAF flow calibrations,
but
> > it
> > > > > seems too much of a band aid. aaargh.


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