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Old 03-30-2018, 06:08 AM   #18
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,261
Quote:
Originally Posted by maytag View Post
Jfp of course your theory is sound, the question remains: How effective is the "shroud" at blocking the heat? As far as insulating qualities of the materials, clearly the thin abs used by the factory for the intake tube and airbox is not an efficient insulator. But it is somewhat sealed from the warm air of the engine bay. So how effective are the panel and gasket in comparison?



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The air in the engine compartment on these cars is hot, that is why they put a fan in there to aid cooling. Hot air does not make as much power as cold air, period. That is why Porsche put the factory cold air system in in the first place.
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