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Two cents.......... (archive)
[ Follow Ups ] [ 7-series (E32) Message Board ] [ Msg. Board FAQ ]
Posted by Dean on October 28, 2001 at 21:11:29:

In Reply to: The Tornado posted by Bimmer lover '88 735I on October 28, 2001 at 12:38:11:

Never tried it, but bear in mind-
1. Your engine is basically an air pump. So anything you hang in the inlet (or exhaust for that matter) airstream in the name of "turbulence" is infringing on this most basic task of admitting air into the engine- costing you power. I would submit to you that the engineers who designed your car already know enough about the turbulence of the air on its way into the engine to get most of the required fuel-air mixing =>power. The balance is not worth wasting inlet area to get.
2. If you do not believe me, try an experiment- measure the mass airflow sensor output for a certain rpm with and without the piece installed. Do these tests back to back at the same rpm. I'm betting the stock setup yields more flow.



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