Ram air vs. cold air induction
Overdrive Member
Joined: Nov 2006
Posts: 4,042
From: IL
No, the CAI intake is below where the air enters the airbox from ram air scoops.
Also, the SS hood is less effective at higher speeds due to the placement of the scoop on the hood -- air has a tendency to pass right over that area, but the CAI helps out more in that situation.
Also, the SS hood is less effective at higher speeds due to the placement of the scoop on the hood -- air has a tendency to pass right over that area, but the CAI helps out more in that situation.
Last edited by libertyforall1776; Nov 6, 2010 at 10:13 AM.
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In the Staging Lanes
Joined: Nov 2010
Posts: 54
yea, actually it makes sense to me that if the ss hood with all its plumbing (i dont even know how that hood actually can work with all the plumbing bull****, its probably a very weak amount of air coming in) but if you have an SLP air box lid with the air intake and you have the hood just shooting air into that it cant hurt, infact it seems like it would definitely be more eficient.
Overdrive Member
Joined: Apr 2010
Posts: 3,354
From: Spanaway, WA
Exactly!! The higher speeds make the low pressure zone larger and therefore the fast moving air is higher on the hood going right over the top of the scoop
Massey
What people don't realize it that these cars pick up more air from the bottom of the car. When at speed, the air hits the nose and the faster you're going, the more the higher pressure air will rebound from the nose. The high pressure air doesn't even hit the car again until the windshield.
Case in point... Drive 60 MPH in the rain and see how much the water moves on the hood of the car. Barely any at all.
The nose also pushes air under the car and actually serves as a better intake area because the air has nowhere to go. That's why the FTRA is designed to pull air from below the car. There is MUCH more cool high pressure air in front of the radiator and flowing beneath the car [that's why the radiator is there right? To pick up that cool air
].
Case in point... Drive 60 MPH in the rain and see how much the water moves on the hood of the car. Barely any at all.
The nose also pushes air under the car and actually serves as a better intake area because the air has nowhere to go. That's why the FTRA is designed to pull air from below the car. There is MUCH more cool high pressure air in front of the radiator and flowing beneath the car [that's why the radiator is there right? To pick up that cool air
].
3rd Gear Member
Joined: Oct 2008
Posts: 1,310
The SLP CAI does not feed from the same area the hood does. The SLP CAI comes down in front of the radiator and is meant to pick up air from under the car. The hoods are more for just looking good, there really isn't a noticable difference between having a ram air hood and not; that is why a Formula will run the same time as a WS6 and a Z28 the same time as a SS.
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