At 08:20 PM 10/24/99 -0400, Rex Weatherford wrote:
>I am very proud to announce my stock GTZ's dyno results. I am very
>pleased with the outcome.
>
>I went on Saturday with the Atlanta F-body club to Atlanta Chassis Dyno.
>
>You can see results here:
>
>http://www.beretta.net/fast_lane/dyno_charts/gtz/92_gtz_quad_stock_rw.jpg
>
>
>I would like to thank Keith White for sending me his Tornado air device
>(POS). Unfortunately I was not allowed to make any changes to the car
>while making my three runs. I had to get on the dyno and back off so
>that more people could run. I will do some testing with this thing on
>Street Dyno. Just looking at it I would say that it hinders air flow
>more than it could ever help. But time will tell. Keith was just going
>to throw it away so I thought I would at least try to get some real #'s
>for the thing.
>From all I have heard they are junk, but it would be interesting to see
some real Dyno results with and without it.
>Just so you don't have to load the image if you don't want to here are
>the #'s.
>
>All these figures are WHEEL HP.
>
>151.2 HP @ ~6100 RPM
>134.8 Ft-lbs @ ~4950 RPM
>
>
>Not to shabby!!!
That's pretty good for a 4 cylinder at the wheels.
>I'm a VERY happy quad owner. This is about the same as one of those new
>Contour SVT's and more than some modified Probe GT's.
>
>New exhaust goes on this friday!!!
>
>Whooo HOooooo! ;^)
>
>BTW if anyone can diagnose or give me some ideas on how to really
>improve power between 4000 and 7000 RPM I'm all ears! Remember my car
>is all stock except an empty converter. (Till this friday)
If the exhaust is more open it should help at the upper end, also if you
get a better exhaust header and open up the ports a little with a valve job.
>How about that DIP between 3000 - 4100 RPM?
I'm not very familiar with Quad engines but I would imagine that this is
where it goes from one cam profile to another. I have seen this with the
DOHC Honda engines.
Ryan Kovacs
Atlanta
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