165 MAF computer

[Gabe]

After going over some of my data logging, the highest readings I've see out of
my setup are 179gm/s @ 4550 RPM....

I just figgered it was cause my little old stock 305 couldn't breathe more
deeply than that...

Gabe

Programmer wrote:

> AHA !!!!!! I'm kinda thinking we're the only two that have been
> there, now...and you know what ? It won't matter how you tune
> it--the MAF is somehow software/hardware limited to 175 grams
> per sec.
>
> Lyndon.
> ----- Original Message -----
> From: Marteney, Steven J. <smarteney at xlvision.com>
> To: <gmecm at diy-efi.org>
> Sent: Friday, June 29, 2001 2:20 PM
> Subject: RE: 165 MAF computer
>
> > I'd like to believe horsepucky too but here's what recently happened to
> me.
> > I did a full-throttle run, no track just empty run, and a bud watched
> > Diacom.  The reading never went above 175gps.  I'm in the same boat this
> S10
> > guy is in.  Lots of mods "the thing should just fly" but my performance
> > sucks.  Granted I also suck at tuning which is slowly being corrected.
> I've
> > used the HomeDyno/StreetDyno programs and it says I'm making 266lb-ft of
> > torque peak.  I then ran those curves into a drag simulator (that I'm
> > writing myself) and it predicted mid-15 second times.  I work at place on
> a
> > back-road that just happens to have two stripes 1/4 mile apart.  Had a
> > friend time me with a stopwatch (in the car and he weighs 300+lbs) and the
> > car did 16.2 at about 85+ on the speedo.  Pretty crappy for an 89 TPI
> > Formula ZZ3 cam, SLP 1 3/4" headers, RandomTech cat, fully balanced,
> > flat-top pistons, flowmatched injectors, K&N filter.  Never seeing the MAF
> > reading go above 175gps makes me suspicious.
> >
> > Steve
> >
> > -----Original Message-----
> > From: Scot Sealander [mailto:Sealand at clarityconnect.com]
> > Sent: Friday, June 29, 2001 3:43 PM
> > To: gmecm at diy-efi.org
> > Subject: Re: 165 MAF computer
> >
> >
> > Programmer wrote:
> >
> > > The '165 MAF only computer is limited to sensing 175 grams per second,
> > > maximum power is around 200 HP and that's it. This is the word from one
> > > of the original guys that made ACCEL's DFI system.True or horsepucky ?
> >
> > Horsepucky.  The MAF code dies at 255 gps, or about 325 HP.  The MAF is
> > about the same.  The TPI's maxed at about 245 HP from GM as I recall.
> >
> > Scot Sealander
> > --------------------------------------------------------------------------
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>
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