i have an air/fuel ratio meter... tis how I can see
___________________
Tim Berry
Chesapeake, VA
97 CC, 4x2, auto, 318
Best 1/4: 14.10@96.8
ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
----- Original Message -----
From: "Ransom T Holbrook" <ransom@setel.com>
To: <dakota-truck@buffnet.net>
Sent: Friday, August 18, 2000 6:23 AM
Subject: DML: Re: Supercharger Guru's (or anyone else thats a guru with
tuning an engine)
> Under Boost conditions and using pump gas you should be no leaner than a
> 12.5 to 1 Air/Fuel. Somewhere in the 11s to 1 Air/Fuel is fine. Richer
> than 11 to 1 Air/Fuel and the power starts to drop off. Being ignorate on
> what type of S/C and setup you have, how are you determining if running
> rich?? The only way I know that you can get a true air/fuel curve reading
> is using a Dyno with a probe.
>
> Of course the leaner the more power, BUT..like it has been said before; it
> is much, much better to run rich than lean. Running Lean you will brake
> something!
>
> ----- Original Message -----
> From: "Tim Berry" <coolva1@home.com>
> To: <dakota-truck@buffnet.net>
> Sent: Thursday, August 17, 2000 11:02 PM
> Subject: DML: Supercharger Guru's (or anyone else thats a guru with tuning
> an engine)
>
>
> > Okay...
> > Long time ago (month?) I put 24# injectors in my truck, and all was good
> > (supercharged)
> > Stock FMU was 12:1 and i put the 11# pully on it... and now push 8# of
> > boost.. It cause the air/fuel ratio to go wayy rich under alot of
> boost...
> > (almost off the scale)
> >
> > My question is... With the 12:1 FMU, i didnt need to retard the
timing...
> > but she ran realllllllly rich under boost..
> > I've re-calibrated it to 8:1 (recomended for 24# injectors) and its
> staying
> > on the rich side, but now I ping with out retarding it..
> > Which is better for power? the 12:1 running rich... or the 8:1 which is
> > just on the rich side, with some retard (less than 1* per pound of
boost)
> >
> > I'm lost... some times it feels stronger with the retard, other times it
> > dosent... HELP!!! =)
> > ___________________
> > Tim Berry
> > Chesapeake, VA
> > 97 CC, 4x2, auto, 318
> > Best 1/4: 14.10@96.8
> > ŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻŻ
> >
> >
>
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