Getting more air to the intake
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Project Protege Builder
Joined: Feb 2002
Posts: 397
From: Dayton, OH USA
Originally posted by PseudoRealityX
You should run tests to find positive pressure places first, to find where to put the NACA duct. I wouldnt think the hood is a good place.
You should run tests to find positive pressure places first, to find where to put the NACA duct. I wouldnt think the hood is a good place.
any ideas on locations before I start experimenting? We're running the stock grille and bumper right now, but I'll be adding the EVOIII grille for this purpose later.
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Joined: Oct 2001
Posts: 199
From: Missouri
Protege Enthusiast
Joined: Oct 2001
Posts: 416
Originally posted by Loginology
any ideas on locations before I start experimenting? We're running the stock grille and bumper right now, but I'll be adding the EVOIII grille for this purpose later.
any ideas on locations before I start experimenting? We're running the stock grille and bumper right now, but I'll be adding the EVOIII grille for this purpose later.
High pressure is found at the base of the windshield (why do you think the vent pulls from there?), or anywhere on the front of the car. Low pressure on the top and edges of the windshield, back window, or behind the car.
Thread Starter
Project Protege Builder
Joined: Feb 2002
Posts: 397
From: Dayton, OH USA
Originally posted by Davard
You'll find high pressure anywhere you force air to change direction. Low pressure anywhere the air can separate.
High pressure is found at the base of the windshield (why do you think the vent pulls from there?), or anywhere on the front of the car. Low pressure on the top and edges of the windshield, back window, or behind the car.
You'll find high pressure anywhere you force air to change direction. Low pressure anywhere the air can separate.
High pressure is found at the base of the windshield (why do you think the vent pulls from there?), or anywhere on the front of the car. Low pressure on the top and edges of the windshield, back window, or behind the car.
I think proper placement on the hood wil work. The duct will stick up slightly to force air down into it. The problem comes in positioning the filter and piping to make the most out of it.
As far is in front of the car, we're looking for something that doesn't require defacing the entire bumper and is for people that do not have EVO bumpers and don't wish to get them. Ultimately for sleeper protege's.
btw, who is it that was going to sell their intake design? Was it Daryl? If so, are you still and if yes, for how much?
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Joined: Oct 2001
Posts: 416
Originally posted by PseudoRealityX
Wouldnt this change according to speed though? Thats what i would think, and have read something somewhere about. Places that had good pressure at 50mph went negitive once you hit 75 or vice versa...
Wouldnt this change according to speed though? Thats what i would think, and have read something somewhere about. Places that had good pressure at 50mph went negitive once you hit 75 or vice versa...
And cowl-induction hoods, with the scoop facing rearward at the base of the windshield, are almost always more efficient than forward facing hood scoops (although NACA ducts on the leading edge work pretty well).
If you look at the hood scoop/vent on a Scooby, most people pull the blocking plates to let heat out. That works well when you aren't moving, but as speed increases, air if forced INTO the vent.
Protege Enthusiast
Joined: Jul 2002
Posts: 200
From: Winter Park, Fl.
Looking for a way to direct more "fresh" or "cold" air to the filter I have found that
under the car, just behind the most inferior black piece of plastic, there is a slot which opens into the engine compartment......just above this slot is where the AEM filter ends up sitting.
Anyway, I took a plastic dust pan and placed it in this slot, leaning toward the back of the car, and then secured it the best I could.
Holy ****!!!! You will not believe the amount of air that must be shooting into the engine compartment!!!
If you think the AEM intake works well, you will **** your pants when you step on the gas in second and third gear!
This is exactly the kind of idea I was looking for!!!!!!!!
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