Is anyone out there using a hood scoop? Seen a bigoneinEuroTuner...

[sad_rocc at yahoo.com (Dan Smith)]

Yep, that's why my Saab vents should be the bomb. It's got the low pressure thing going on in motion and the regular venting action when sitting still. Plus, they're good sized, but not too big. Hood scoops usually have a front opening and are enclosed on all other sides, making it more difficult for hot air to escape.
 
Dan

A J <asbfooh@yahoo.com> wrote:
What about when you sit at a light , hot air rises
right ? So if there is an immediate exit above the
engine wont it help it alot rather than have to wait
for the car to move or the fan to work harder ? I do
alot of stop and go driving here around the Bay Area ,
talk about traffic !! _Aaron 


> 
> 
> There should be a "bowshock" near the lip of the
> hood. A low pressure zone 
> exits just below that layer and turbulance at the
> surface of the hood. Hood 
> scoops, unless really tall will not draw THAT much
> air in.
> 
> If reverced, then it will allow the air that comes
> in from the front via the 
> radiator, to escape into the low pressure above
> the hood. This will also 
> allow oils and dirt, from the engine compartment
> to flow very close to the 
> windshield and cause it to get dirty faster.
> 
> 
> 
> Julie Macfarlane
> 1981 MKI 2L 16v
> Amsterdam NY
> 
> 
> 
> 
> 
> 
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