MichaelD Posted February 27, 2011 Posted February 27, 2011 Has anyone used an air box on their throttle Bodies? If So, what results in performance? Where did you get the box?
Alaskossie Posted February 28, 2011 Posted February 28, 2011 I used the standard Carterham c/f race airbox for the Duratec, on my car. Since I never ran it without the airbox, I have no basis for any before/after comparison. However, it was clear that the stock Pipercross sausage-shaped air filter fit into the airbox as a "press-fit," thereby appearing to cut off a significant volume of air that could pass through the filter. So we replaced the sausage filter with four individual Pipercross foam "booties" over the intake trumpets.
super7guy Posted March 1, 2011 Posted March 1, 2011 Michael, To help reduce the noise intake, I made an alloy air box. It is shaped to follow the contour of the sides of the chassis and picks up air through the heater opening. Lots of work to make the box, but looks and works well. Since the taper is to the front, no signs that the front cylinders are short on air. Haven't dynoed before and after, but it sure worked to cut down the noise. Remember, San Diego stadium has 93 db @ 50 ft @ WOT. Wayne
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