[Shane Buss]

the ecm is the 746 ecm..

the injectors are wired in series. (front left * back right) are on one
"channel"  and (front right and back left) on the other.

They don't seem to care about the voltage drop.

I have diacom, so i can get MAP readings etc... just curious what BPW would
be good to get going..

Shane
----- Original Message -----
From: <ECMnut at aol.com>
To: <diy_efi at diy-efi.org>
Sent: Saturday, May 20, 2000 8:43 AM
Subject: Re:


> Hi Shane,
> you didn't mention which ECM yoy're using, but larger injectors
> and a 2 bar setup might be needed.   OR.... a second computer, like a 749
> with 2nd group of injectors which lie dormant until boost is present,
> then you can accurately meter the additional fuel, up to 15 psi..
> You would need to obtain a tach & MAP signal at the very least..
> Mike V
>
> > Hey guys anyone know how to calculate the base pulse width when running
> >  boost?
> >
> >  Obviously the problem is that the VE tables max out at 100%, but with a
> >  blown motor you are over 100% efficient.
> >
> >  I thought about using a forumla i had and just using a A/F ratio of
like
> 8..
> >  Does anyone know the limit of A/F ratio?
> >
> >  I use tunercat for tuning, and my car is a 92 firebird 355 TBI with the
> 4bbl
> >  holley 700cfm unit. I run a roots style blower with 6psi of boost.
> >
> >  thanks,
> >  Shane
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