I'm in the process of trying to finalize my intake design, and looking at all
the pictures of installations, I noticed that no one is using outside ram air
to the throttle body, is there some reason that people are not using outside
air from a dedicated intake on the cowling?
Fred

Tracy is. He has a little intake on the top of the cowling.
It is a very good idea but make sure you have an air filter
in there as dust and fod is not good. Tracy gets away without one
but he does not fly very much in dusty conditions like we have out
here in the west. 

If you use carbs you will need carb heat as well.  Finn has had the FAA insist.

Paul Lamar
 
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