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Old 08-31-2010, 01:50 PM   #2
Porscheectomy
 
Join Date: Mar 2006
Location: Seattle Area
Posts: 3,011
Just a note on cooling. Usually the airflow through the engine compartment is carefully designed and managed. Opening up the top cover will not necessarily improve engine cooling. It could more likely reduce cooling of the engine because the airflow paths are altered.

Imagine you have a tube with an inlet and outlet and air flowing through it to cool the walls of the tube. Then you cut a hole into the middle of that tube. Now a good part of the air leaves through the middle of the tube and the end of the tube is getting warmer than it was before.
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