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Reply to "Engine bay side vents - open or closed?"

The panel behind the louvers are not sealed all the way around, not mine anyway.

That allows air to enter or exit  the engine compartment. My car is away or I would test it with some wool tufts.  I am sure that there isn't very much air going through there, either way.

If you drive a Mangusta in the rain and then open the engine compartment you will find that everything is dry, meaning that there is positive air pressure present.

My car hs a very efficient front air dam, that could affect it.

DICK RUZZIN

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