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Old 2005-01-12, 05:56 PM   #5
Kevin M
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Join Date: Sep 2003
Location: Reno
Posts: 9,445
 
Car: '93/'01 GF6, mostly red
Class: 19 FP
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Quote:
Originally Posted by Dean
Something is wonky wit those graphs... I'm not saying they are lying, but the curve changes from concave to convex, and I've never seen that in a dyno graph.

Also, where is the data below 3500 RPM. The trend of the graph would imply it alomst flattens out, but I don't blieve that. If I read it right, they say they did these pulls in 4th gear... Isn't that alos a bit strange. Isn't 4th gear at 7000 RPM like 100+ on an STI? That is some fast spinnin rubber in a shop.

And last but not least, it is a Dynojet...
They're horizontally stretched. The far left border is almost 4k rpm. that makes every curve and peak look bigger. Plus it looks like they used a lower smoothing factor than most do.

4th in an STi=3rd in a WRX exactly. How fast does your car go in 3rd? Typically, those are the gears cars are dyno tuned on. Personally, I may opt for 4th/5th gear tuning depending on gearbox to see higher loads. And, you can go as fast as you want on a dyno. in fact, Mustangs are calibrating them by spinning to 150 mph :shock: and allowing them to coast down.
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