[DeTomaso] Elephant ears

[MikeLDrew at aol.com]

In a message dated 6/17/09 11 17 0, wdemelo at cogeco.ca writes:


> Who sells elephant ear scoops for the rear quarter windows? Are they all 
> the same or are some bigger than others? I'm looking for some that don't 
> stick out too far. And yes, I know that they need to stick out to get the 
> "ram air" effect, but I'm more concerned about the access to cool air.
> 

There are several different models.   The large ones have been copied and 
re-copied, and are available in fiberglass and carbon fiber.   They do work 
well, but are ugly, and block vision to the rear, which can be critical in 
lane-changes.

There are several different lower-profile scoops out there; their utility 
is questionable.   While the large ones do stick out large enough to have a 
noticeable ram air function, the small ones are in a low pressure area, and 
tuft tests have actually showed air coming OUT of that region rather than in!

If you're looking for a source for quality cool air, you're probably better 
off following the factory example and taking the air from under the car.   
Early Panteras had the air cleaner snorkel pointing back towards the left 
rear tire, but later on the snorkel was pointed towards the passenger seat, 
and connected to an air scoop at the bottom of the engine bay with flexible 
ducting.   Ugly, but probably quite effective.   An aux air valve (vacuum 
operated) was located at the 9 o'clock position (facing the gas tank) on the air 
cleaner, and would open to admit additional air when necessary.

Mike


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