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      07-31-2013, 11:16 AM   #110
bradleyland
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Drives: 2013 M3
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Quote:
Originally Posted by NISFAN View Post
Can someone use the sound trace to measure drop in frequency after a gear change? That will give much more important data than RPM MAX.
It's possible, but you need a good clean upshift where the driver is WOT (or close) before and after the shift. Basically, a hard acceleration run at an easily estimated speed.

Watch this video and post any timestamps of regions where you find that:



If you do the footwork, I'm happy to do the analysis.
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