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Old 05-20-2008, 12:21 PM   #118 (permalink)
turbophil
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Join Date: Dec 2005
Location: Kansas City/ Overland Park
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There's something odd beyond just the dyno with those graphs. The TQ curves are goofy, as is the HP... I think you've got an issue that may be related to your tune with that bad AFR line. You need to fix your AFRs and then redyno to see the real story. Perhaps you have a dirty MAF, bad coil, or plugs if not the tune. Don't be happy just because your car is pig-rich- safe. That graph should be a sign that you need to do some diagnoses... You can use a thermo gun to shoot your headers to be sure that you're not mis-firing, dumping fuel into your exhaust. Dbl check that your belt is not slipping too.. If you determine no belt slip, no misfire, and sensors are feeding the right information, then it's time to investigate the tune...

If you think your car feels good now, wait till you get whatever issue you've got there sorted out

Good luck,

Phil

Quote:
Originally Posted by MB SC Elise View Post
The first graph show's total HP & TQ (~203 / 146), the second has the AF's which are running rich on boost (low to mid 11's).

These values are different then my previous two dyno's but we all understand the variability seen with dynamometers (mustang, dyno jet, weather infuences, etc..).

The #'s may seem low for an SC elise. However, if you were to drive my car, it sure as hell doesn't feel low (as a couple of folks who were in & drove my car can attest to).

The most impt part for me is that my car is running great & as you can see from the graphs, AF's are safe (considering I track the car) and I have room to dial in additional power gains if / when I choose.
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