[Diy_efi] [Diy_efi]: Using pots to "tweak" AMM output

[Bruce]

And AMM would mean what?.
If it's an air meter (MAF), it very likely the output isn't linear.
It's a million times better to figure out the actual ecm, and gets things
right that way.
Better make that 10 million.
Bruce



----- Original Message -----
From: "Kenny W" <watson at iamfun.com>
To: <diy_efi at diy-efi.org>
Sent: Monday, July 29, 2002 8:11 PM
Subject: [Diy_efi] [Diy_efi]: Using pots to "tweak" AMM output


> Has anyone tried this/doing this? Seems to make sense
> that if you used a voltage divider off of the AMM
> output and lowered the output by say, 30% and ran 30%
> bigger injectors, the car should run. You could even
> run a few resistors in the voltage divide in parallel
> and then switch them out with hobbes switches to richen
> things under boost. I know this is barbaric, but in my
> little pea brain it seems theoretically sound. I hoping
> someone can comment on the practical limits of this
> (just how much bigger can you go retaing the stock
> ecu/fuel map), effects on idle, etc. I'm not talking
> about any wacky ECU piggy backer or anything, just
> plain old hooking up some pots and scaling the output
> down and scaling the injectors up.
> TIA!
>
> -Kenny
> AKA Captain Bondo
>
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> Diy_efi mailing list
> Diy_efi at diy-efi.org
> http://www.diy-efi.org/mailman/listinfo/diy_efi
>


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