Spreadsheet for chip tuning of SD

[Dave Zug]

this doesn't speak well of my method of earlier explanation, but I'm not
very good at explaining simple things in a simple manner. ;-(

csv's are comma seperated values - excel can bring them in native.

----- Original Message -----
From: gary king <gdkng at hotmail.com>
To: <gmecm at diy-efi.org>
Sent: Friday, January 19, 2001 5:46 AM
Subject: Re: Spreadsheet for chip tuning of SD


> Yes! it is simple linear interpolation. I didn't realize this is what was
> going on untill I read your post  I have been working on an Excel Spread
> sheet to do much of the same thing, not as far along as you however. I
> wouldn't mind seeing your sheet if you don't mind. There is a guuy on the
> tunercat list that has a C++ App to read in a Datamaster csv file, make
the
> calculations and automatically modify your bin- Supposedly only works for
> the LT1.  gdkng
>
>
> >From: "Bob Wooten" Reply-To: gmecm at diy-efi.org To: gmecm at diy-efi.org
> >Subject: Re: Spreadsheet for chip tuning of SD Date: Thu, 18 Jan 2001
> >21:23:1 -0800
> >
> >is this not called linear interpolation? you take the big number on the Y
> >axis & subtract the small & put that over the big number on the X axis
> >minus the small number. now you have a slope of the line in between those
> >two points. now multiply that by the value that you have on the one axis
&
> >you now have the value on the other.
> >
> >Y-Y' (----- ) Z = Z' X-X'
> >
> >(hope that comes readable) this sound right? makes sense to me.
> >
> >BW
> >
> >
> >
> > > [Original Message] > From: Dave Zug > To: > Date: 1/18/01 8:08:17 PM >
> >Subject: Re: Spreadsheet for chip tuning of SD > > It uses exactly the
> >average of the 2 if you are in the center. If you are > closer to one
than
> >the other, it will beas the result to the cell you are > closer to,
exactly
> >by the relative amount you are away from it. > > sorry, in other words,
if
> >you are at 4100 rpm and 82 kpa then it will use > 20% of the difference
> >between one cell and the next, added to the lower cell > (given cell
edges
> >are at 4000 and 4500 RPM, and 80 and 90 Kpa.) > > yes, to understand it I
> >actually did this in a software simulator, line by > line back when I was
a
> >real nut about all this. ;-P > > > ----- Original Message ----- > From:
Dan
> >Townsend > To: > Sent: Thursday, January 18, 2001 6:57 PM > Subject:
> >Spreadsheet for chip tuning of SD > > > > I am working on a spreadsheet
> >that will allow you to input RPM, MAP and > BLM > > from a Diacom capture
> >and then average it all and output the average BLM > for > > a certain
MAP
> >value and RPM. Then if your VE table has been put on the > > spreadsheet
it
> >will multiply/divide everything to give you your new VE > > table. I'm
> >almost done but I have to make sure of something first. > > > > Say you
are
> >at 4200 RPM and 85 kpa. You are in the middle of the table > for > > 4000
> >and 4400 RPM and in the middle of the table for 80 and 90 kpa. Now > >
what
> >values does the computer use? The higher or lower or average for the > >
> >two? > > > > TIA, > > Dan > > > >
>
>--------------------------------------------------------------------------
> > > -- > > To unsubscribe from gmecm, send "unsubscribe gmecm" (without
the
> >quotes) > > in the body of a message (not the subject) to
> >majordomo at lists.diy-efi.org > > > > > >
>
>---------------------------------------------------------------------------
-
> > > To unsubscribe from gmecm, send "unsubscribe gmecm" (without the
quotes)
> > > in the body of a message (not the subject) to
> >majordomo at lists.diy-efi.org >
> >
> >
> >
> >--- Bob Wooten --- r71chevy at earthlink.net --- www.r71camaro.homestead.com
> >
> >
>
>---------------------------------------------------------------------------
-
> >To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in
> >the body of a message (not the subject) to majordomo at lists.diy-efi.org
> >
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com
>
> --------------------------------------------------------------------------
--
> To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
> in the body of a message (not the subject) to majordomo at lists.diy-efi.org
>
>

----------------------------------------------------------------------------
To unsubscribe from gmecm, send "unsubscribe gmecm" (without the quotes)
in the body of a message (not the subject) to majordomo at lists.diy-efi.org