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  1. #1
    Senior Member fifteenwindow's Avatar
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    Oct 2013
    Madison, WI
    United States
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    Warm Air Intake

    Last week I installed a crude WAI. Its a double-walled section of 4 inch dryer duct, wrapped in the reflective backing from a piece of duct insulation. It runs from the intake snout to the radiator.

    I tried running it back to the exhaust manifold at the rear of the engine, but I didn't have a long enough piece of ducting to get that far.

    With the wai running to the radiator, I don't see any intake air heat until the coolant temps reach 195 F and the thermostat opens. This weekend I was driving in 13 degrees F, and my intake air temps stayed at 90 F traveling at 60mph.

    I plan to insulate the rest of the intake snout and airbox when I find more material.
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    Last edited by fifteenwindow; 03-06-2014 at 01:07 AM.


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