[Gmecm] 1F - 85 L98

[Mark Romans]

 I just checked the 1F (85 TPI) tunercat and I don't see an injector 
constant.  However there is a table called
"Injector Pulse Width vs Load Value"  and it lists "LV8 and USEC"  I suspect 
that this is used to adjust the pw
to match up with load value.  What ever lbs/hr your current injectors are, 
let's just say 30lbs/hr  vs stock at my guess
23lbs/hr I would take .86 times (24/30) all the numbers from that table and 
see if that brings your fuel trims back in line.
I would try to tune to get the BL in the 121 (5% rich) range.
Mark

0
534
1068
1602
2213
2670
3281
3815
4349
4883
5493
5951
6561
7095
7553
8163
8698
----- Original Message ----- 
From: "Mike Poore" <mp at FlowersByValerie.com>
To: <Gmecm at diy-efi.org>
Sent: Saturday, March 04, 2006 1:31 PM
Subject: [Gmecm] 1F - 85 L98


>I am using TunerCat. The engine idles VERY rich due to larger injectors and 
>I can't lower fuel pressure any more. What is the best approach to reduce 
>pulse width at idle? The problem is in both closed and open loop.
>
> I see a table for Injector Pulse Width Vs. LV8, which seems like a 
> possibility, but I don't know what the LV8 at idle would be.
>
> I see IAC tables and MAF tables, but nothing that seems to directly 
> control the idle fuel.
>
> I'm a novice at this so the more specific the better.
>
> Mike
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