165 MAF computer

[Greg Westphal]

Chris Bennight wrote:
> 
> If it helps here is the MAF transfer function for a LT1 MAF (though if
> the variable limits you to 8 bits that's a problem - I know the LT1 has
> a 16 bit variable for this).  If the tranfer function would be of any use
> let me know and I will upload it.

I'm interested, if anything just to have the info for a possible future
project. :)

Greg

> Chris Bennight
> http://www.slowcar.net
> 66 Charger For Sale
> http://www.slowcar.net/charger
> 
> ----- Original Message -----
> From: "Greg Westphal" <gcwestph at erols.com>
> To: <gmecm at diy-efi.org>
> Sent: Friday, June 29, 2001 8:52 PM
> Subject: Re: 165 MAF computer
> 
> | I saw 160 gps out of my internally-stock 305 with the small stock cam,
> | headers, 3.42 gears, and all the little mods.  My best time at the track
> | last fall was 14.86 @ 91.0 mph, and it dyno'd this spring at 172.5 RWHP
> | and 277 lb-ft of torque, and it was down 30-40 horsepower from last
> | fall.  I know I've seen guys with built 350/383 engines peg the MAF at
> | 255 gps, plus (as someone else mentioned) it's set up in the code to be
> | the max due to the hexidecimal system.  With my 355 I just installed,
> | I'm curious to see if I can peg my MAF meter too. :-)
> |
> | Greg Westphal
> | '87 IROC
> |
> | "Marteney, Steven J." wrote:
> | >
> | > 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
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