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Old 11-14-2012, 12:03 PM   #2 (permalink)
COcyclist
Aero Wannabe
 
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Join Date: Dec 2007
Location: NW Colo
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TDi - '04 VW Golf
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Quote:
Originally Posted by arcosine View Post
Hi,

Currently, I am venting the engine compartment through gill slot openings in the belly pan. This is making lot of turbulence under the car, it's like having a window open. I am considering venting though the front wheel wells, where the air is already disturbed. Anybody have any thoughts or comments on engine compartment venting?
This is what has been done on the Aerocivic and on my own car with a full, front to back belly pan. The openings in the wheelwells are plenty large enough to let the air escape. Most of us on this forum already have some of the grill blocked so there is minimal cooling air going through the engine compartment. Watch your ScanGuage. I think you'll be fine.
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Quote:
Originally Posted by freebeard View Post
The power needed to push an object through a fluid increases as the cube of the velocity. Mechanical friction increases as the square, so increasing speed requires progressively more power.
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