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      11-26-2012, 07:28 PM   #347
e90pilot
Freight Dawg
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Drives: E90 325i
Join Date: Jul 2005
Location: Oakland, CA


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Interesting. The 330 there has Super Sprint and was on a Dynapack dyno which bolts to the wheels. The Dynojet I used measured power at the tires so naturally the Dynapack will show higher number. However the Dynapack numbers are far more consistent between cars and runs. Wheels are just another variable that the Dynapack eliminates.

You can't really compare different dynos since they produce such different results. Another Dynojet I used said I had 220hp and that day was hotter with higher humidity. Not sure how your dyno is set up, but Dinan has the same dyno with an air duct that supplies climate and humidity controlled air to the car through a huge fan. That way they can keep most of their variables constant. Even the dyno's I posted are not all the same dyno or environmental variables.
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