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      07-21-2013, 07:39 PM   #42
Longwong
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Drives: e92 m3 catless
Join Date: Jun 2013
Location: USA

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Problem is that just because you may see changes in certain parameters such as airflow, timing or whatever, it does not mean more power is being made. Sometimes engines just do not like more of something or less of something and it does not always translate into more power.

Best thing is a dyno plus bt tool to make sure the comparison dynos are consistent across the board with the same timing and parameters.