Spreadsheet for chip tuning of SD

[Dave Zug]

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 <xybertron at cox-internet.com>
To: <gmecm at diy-efi.org>
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
>
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