[DeTomaso] Engine Bay Air Flow

Ken Green kenn_green at yahoo.com
Mon Aug 24 16:25:18 EDT 2009


Will,
 
    In the past, people have said that the flow though the AC reverses at some high speed, I don't recall comments about the rear deck opening.
 
Ken

--- On Mon, 8/24/09, Will Demelo <wdemelo at cogeco.ca> wrote:


From: Will Demelo <wdemelo at cogeco.ca>
Subject: [DeTomaso] Engine Bay Air Flow
To: detomaso at realbig.com
Date: Monday, August 24, 2009, 12:58 PM


Yesterday, I taped some light string to my rear deck lid and went for a ride. I was told by a few people (including Wilkinson) that the air flow, at higher speeds, flows into the rear opening. This was not the case. At least until 80 MPH. The air flows up from the engine, out the decklid opening.
I kept track of air intake temperatures as I drove. At idle, the temp was 184 degrees. At 60 mph, the air intake temp was 174 deg. The outdoor temp was roughly 80 deg.
I need to get the cooler air into  the motor. There is roughly, a 1% hp gain for every 10 deg cooler air. That's free hp.
Will
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