Re: ignition map

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

For an idea try tuning.doc at the FTP.  Most gm maps have the PE timing
added as a function of TPS (and other parameters).
Grumpy

> I need a little info.  Background:  1967 dodge coronet, 383 big block,
> custom MPI manifold, 30#  injectors, MSD 2225 fuel pump ( 43 gph),
> electronic ignition with Accel 300+  Box.  The vacuum and mechanical
> advance have been locked out, no advance from the distributor.  An ACCEL
> DFI computer is being used to control fuel, ignition, cooling fans and
> eventually overdrive.
> I am at the point where I am ready to start programming the ignition map.
> The old ignition curve (mechanical plus vacuum advance)  was very good,
but
> if I was satisfied with two straight lines, I would have kept the
> carburetor and just drove it.  I would like a couple of stock tpi maps
> (normally aspirated).  To get AN IDEA of what a computer controlled
> ignition map looks like.  I got a feeling of what I need, but I would just
> like to verify certain areas of the map.  I know the two engines are
> different and all that jazz, I'd rather not waste bandwith arguing over
> whether or not I am comparing apples to oranges.  I know what my engine
can
> take at different speeds and loads.
> Does anyone have a couple of maps in txt or xls format, in MAP vs. RPM??
> Thanks.
>
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