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      11-16-2008, 10:28 PM   #11
Got Track!!!!!!
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Drives: 08 M3 coupe
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Originally Posted by bruce.augenstein@comcast. View Post
There is something wrong here, and it isn't the headwind. I suspect an airflow problem, because the car is laying down badly in the last 660 feet.

If a headwind was the problem, you'd be going slower in the 1/8th as well as the quarter mile.

As it is, you're going quicker and faster in the eighth, but where the car was picking up 28 mph in the last half, now it's picking up 22 mph. That's a massive difference, not accountable by way of a five to eight mph headwind.

Is the filter something more than a filter? Is there a different air path?

There is something absolutely wrong. I'd go back to the stock filter and try again.

I was thinking the same thing???? Next week I 'll do the "Pepsi Challenge" with them>> 3x runs with the AFE and then swap them out back to stock and see>> The reason I was saying the wind, is becuase as my speed increases so then does the resistance against the wind... I dont know, am I out there in left field on this one???