Air to Turbo

[Wilhelmus Schreurs]

When I purchased my coach, I noticed that the top of the air cleaner (cage) and the ducting to the intake was removed. I believe this was done as it is commonly believed to be known, that it does not appear to get enough air from the outside.
Some quick calculations show that the intake is 27in by 1 1/2 inches = 40 sq in.
Intake to filter is 5 in round or equivalent to 20 square inches, this should be adequate air flow, or maybe the intake to the filter should be increased say to 7 inches. (38 square inches)
Also does the turbo not suck the air in as well??
What I am planning to do is to restore everything, as
right now it is getting the very hot air from around the engine, and I believe it
should be getting the colder air from outside?
Any advice, pros and cons would be
appreciated.
Thanks in advance.

Bill 84 FC 35 SB "$quanderlodge"
Terrace, B.C. Canada

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