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      07-28-2011, 07:06 PM   #3
jimmyeatsworld
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Drives: 2008 E92 M3 6MT
Join Date: Nov 2008
Location: Orange County

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Not all dynos are created equal. Some are more conservative than others.

I think in general it should be used as a tool to gauge performance gains and not as absolute. Plus there are many variables to consider.

It's best to try to at least use the same dyno for obvious reasons.
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My RPI GT Race Dyno vs. Stock: http://www.m3post.com/forums/showthread.php?t=239228
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