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beendak
Dodge Dakota
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7/07/2005
00:11:38

Subject: airaid intake quickfit
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I do not know where to start. I have not seen to favorable a reveiws on the airaid intake. I have got the one with the airdam. I have not noticed much of an increase with it at all. It does not seem to be a cai system at all as it just replaced my stock box with an opensystem about a foot away from the motor. Can someone post a picture of your homebrew kit so I can get an idea of where to go from here? I am emberassed to say how much this P.O.S. cost.



Tim S.
Dodge Dakota
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7/07/2005
19:52:35

RE: airaid intake quickfit
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I'm using 3-in ABS black pipe (~9 inches) from Lowe's (black is cooler looking than PVC, and less dangerous smoke in a fire) and 2 'hubless connectors' (like 'frencos', only smaller and cheaper, rubber seals with internal lips, SS band, and 2 clamps built together) and a slightly tilted air filter box so air fitting/pipe/air fitting is straighter. ($9 so far) I'm working on feeding the filer box from the front, 4 inch flex air duct (Lowe's) through the rubber radiator flange where the AC pipes are, below them and above the body work is about 5 X 8 inches. I'll feed it with a 4 X 10 X 4 home HVAC register take-off from, you guessed it, Lowes.
The best shape for air intakes is a "parabolic horn", exactly the shape of the air horns on a truck, or pro-quality speakers with 'horns'. There should be a flat 90 degree area around the horn, kind of a buffer to absorb the turbulence of the air intake so the tube can actually flow the air. I bend the sheet metal to as close as possible.
What got me going was the KB supercharger site on hot air and ram air, and feeling the temp of my stock air intake pipe after a run and parking. For a cold air intake, it sure felt like 150 degrees to me!
When you get it right, the vacumm you make at RPM (say 2000) standing still, should go to neutral at speed. You won't really make pressure, but you can overcome the air filter pressure drop. When you stop the tube should be cool to the touch. When I get done and prettified, I'll post pic.
(I'll have less than $20 in it, and be able to prove an improvement.)



ecdak
Dodge Dakota
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7/09/2005
03:19:01

RE: airaid intake quickfit
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thanks that sounds totally cool. My freind put one one his honda civic and you could totally tell by sound that there was a difference.(not homebrew though, just illistrating the immediate difference i noticed) How did you engineer that cai to make sure air was flowinf thru it and how much flow when installed. I suppose a wind tunnel smoke test was out of the question. I was considering that gap between the radiator and a.c. also, but my freind brought the fact that bugs would hit that.



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