1st gen/323/GLC Engine and Drivetrain Engine/Drivetrain Modification Discussions for 1990-1994 Models (BG chassis) and 1981-1989 GLC/323 Models (BD and BF chassis)

Getting more air to the intake

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Old October-6th-2002, 02:24 PM
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Originally posted by Loginology
We'll put our SOHC BP engine up against any DOHC BP any day. No flame intended.
If you are willing to drive to Chicago I wouldn't mind smoking you

No flame intended
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Old October-6th-2002, 06:08 PM
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Originally posted by Identity_X


If you are willing to drive to Chicago I wouldn't mind smoking you

No flame intended
Heh, if I win will you pay for my gas and expenses?
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Old October-6th-2002, 06:10 PM
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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.
Jesse,

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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Old October-6th-2002, 07:36 PM
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Originally posted by Loginology


Heh, if I win will you pay for my gas and expenses?
hey, if you win I will let you have my car
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Old October-6th-2002, 09:10 PM
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Originally posted by Identity_X


hey, if you win I will let you have my car
wow, and I was only asking for the hood
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Old October-6th-2002, 09:52 PM
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FAST filter


Anyone seen this yet?? it doesnt look like any of those others out there.
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Old October-7th-2002, 05:21 AM
  #22  
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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.
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.
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Old October-7th-2002, 10:29 PM
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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.

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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Old October-8th-2002, 01:42 AM
  #24  
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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...
Generally not. The center of pressure can change, but the base of the window will always have high pressure and the sides of the A-pillars will be low pressure. At 30 mph you wouldn't notice it. BTW, that is one of the things that really screwed up the Lamborghini Countach. There was so much drag over the A-pillars that drag Cf was pretty high (like 0.40), although the rear wing made it even higher.

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.
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Old November-9th-2002, 11:59 PM
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Lightbulb


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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