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Old 07-22-2016, 07:40 AM   #6
andrewmp6
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Join Date: Jan 2009
Location: Louisville,Ky
Posts: 5,811
Re: What is the purpose of the cowl vent?

Only other system i seen was the 57 chevy cars had a fresh air system they sucked air in around the headlights then piped it back across the inter fenders in to the fire wall.You had pull cables to open each side and it blew air under the dash.If the car had a heater it used the same fresh air also.
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