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      12-11-2012, 10:03 PM   #19
MilehighM3
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Drives: E90 M3
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Quote:
Originally Posted by vinniechin
Can I ask what is a compression with a dyno graph? Sorry if I'm being dumb, I just never heard of this and want to learn.
I think that he means do compression tests on both cars and then dyno them. That way if there are compression differences between the two, it would explain the power output variance. Thus, making it more of an apples to apples comparison.