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Old 01-31-2013, 09:27 PM
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dunderhi dunderhi is offline
Next car: '18 AMG GT Vert
Location: MD
 
Join Date: Dec 2006
Posts: 6,523
Mein Auto: 15 M6 vert, 15 328dxt
Generally these calculators use measured data from thousands of data points and then apply a curve fit. As I said, I don't believe in dyno results either, or at least not rolling dynos.

BTW, having a sufficient number of gears is good, but you are applying zero power while shifting, so having more gears isn't always better.
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2015 M6 Drophead Coupé
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