GTech as a testing device

[Gerald Pelnar]

> From: D. Barry Stubbs <z24man at earthlink.net>
> To: gmecm at diy-efi.org
> Subject: Re: GTech as a testing device
> Date: Saturday, September 30, 2000 4:10 PM
> 
> Dave Zug wrote:
> > 
> > Its against the law to go 0-110 in 12 seconds  on a public
roadway, so it
> > gives you the advantage of only getting 8 points when you're
caught going
> > 0-60 in 3.4. (can they call it DRAG RACING if theres no one next
to you?)
> 
> I guess I shouldn't have much of a problem there.  Even after some
> serious tuning, I think I could listed to Beethoven's 5th before
hitting
> 110 from a dead stop.  But, a friend & co-worker lives way back in
the
> boonies not too far from me, and he indicated that road test
wouldn't be
> a problem near his house, since there really is no law where he's
at.
>  
> > I am able to "fool" gtech with a couple of harsh clutch drops in
the 305
> > car - I know someone who has a really really REALLY hard 1-2 auto
shift that
> > drives it nutz too.
> 
> Yup, I did that too with a borrowed unit.  205hp from a stock 2.8L
V6? 
> Naah, not possible.
>  
> > as long as you do everything the same(shifts same harshness,
level grade,..)
> > and only make HUGE mods, you'll be able to guage the difference.
> > Make 2 degrees of spark change and you need to make 20 runs
BEFORE and 20
> > runs AFTER to get a more accurate comparison. same as track I
guess. Dyno
> > rules here IMHO.
> 
> Good point.  Its just that dyno time and $$ around here is
hellacious. 
> AFAIK Atlanta is the nearest dyno shed, and not worth it IMHO.  But
> seat-of-the-pants isn't worth a crap either.  As Bruce said (I
think),
> the fast car feels slow.
> 
> So, what other alternatives are there?  Someone mentioned a timer
> circuit and watching data from the logs in the VSS column.  That
sounds
> pretty neat, and dirt cheap.  Any others?
> 

I haven't tried it, but you might check out StreetDyno.

http://www.geocities.com/MotorCity/Downs/5837/StreetDyno.html

later,
Gerald Pelnar
wd0fyf at mpks.net
http://www.mpks.net/homepage/wd0fyf/
McPherson, KS
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