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Old 06-06-2019, 11:01 PM   #1
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Quote:
Originally Posted by KRAM36 View Post
On my 03 Boxster S, the passenger side (USA) vent pulls air into the engine compartment.
Exactly right. I don’t understand how the fallacy persists that the right side vent intake is an exhaust but I see it a lot.

If you want to prove it for yourself, when stopped place a strip of tissue paper over the vent when the engine compartment fan is running. Just be sure not to let it be sucked in.

It is true that heat radiates from the vent when stopped if the fan is not running but that is true for the entire mid/rear section of the car including the wheel wells.
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#317 550 Spyder Anniversary Edition 2004 Boxster S, 3.8L Flat Six Innovations engine, PSS9s, etc, etc . . .
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Last edited by Oldcarguy; 06-06-2019 at 11:12 PM.
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Old 06-07-2019, 08:31 PM   #2
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Quote:
Originally Posted by Oldcarguy View Post
Exactly right. I don’t understand how the fallacy persists that the right side vent intake is an exhaust but I see it a lot.

If you want to prove it for yourself, when stopped place a strip of tissue paper over the vent when the engine compartment fan is running. Just be sure not to let it be sucked in.

It is true that heat radiates from the vent when stopped if the fan is not running but that is true for the entire mid/rear section of the car including the wheel wells.
I don't know why people keep saying this either? If people want proof, I'll hook up my Durametric and have it turn on the fan for that vent and video record a piece of paper being sucked to the vent.
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