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Old 07-26-2013, 01:00 PM   #7
skipperdude
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City: Whittier AK
Country: USA
Vessel Name: Apache II
Vessel Model: 1974 Donald Jones
Join Date: Oct 2007
Posts: 3,147
You need to check with the engine manufacturer to determine how many cubic feet of air the engine requires.
4 3" diameter holes was enough air for my cat 3208.

You will need to vent the box. A fan to suck the heat out more than likely.

Better to insulate the overhead. Go in the ER and turn off all the lights where you see light coming in sound gets out.

SD
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