Re: ECM calibrations for upgraded Xfire

["Dominic Sorresso" <surrexi2@home.com>]

Bruce,

Thanks Would you reduce by dropping initial timing (currently set at 10
degrees BTDC) or modify timing map. I have just gotten an EMP-10 so I can
now make mods to chip and burn them.

Dominic
----- Original Message -----
From: "Bruce Plecan" <nacelp@bright.net>
To: <gmecm@diy-efi.org>
Sent: Thursday, August 10, 2000 10:27 PM
Subject: Re: ECM calibrations for upgraded Xfire


>
>
> > I am intrigued by your message regarding the gray color. I cannot be
sure
> > that it isn't the result of the original black with now a leaner
mixture.
>
> I can just about guarantee you went with a little more timing, the plugs
> went light in color and then started fatting up the fuel.   Or some
> combination there off.
>
> > Exhaust pipes also show similar signs, not sooty at all.
>
> With the advent of high detergent unleaded, ignore the the pipes.
>
>  The motor sounds
> > quite strong and idles well at 750-800 rpm. it also pulls well into the
> low
> > 5g range and much quicker than before. So I can't imagine that the
mixture
> > and timing is that far off. No sign of detonation as previous either. I
do
> > believe that at least "cruise" can be leaned out somewhat
>
> I could easily run to 6+, just never saw any drop in ET so lowered it.
> Doesn't take that much.
> Err, well, imagining is for the Hawkins of the world.
> Testing, experimenting, and logic is what gets a good running car, IMO
> Grumpy
>
> > Dominic
>
>
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