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diferent route to cold air induction

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Old Jan 11, 2003 | 02:02 PM
  #1  
parish8's Avatar
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From: omaha ne
Default diferent route to cold air induction

i trid to build myself a new intake set up and it was geting ugly so i gave up on that aproach.

here is my new aproach. keep the stock box.

use a cam of expanding foam to block off the fender cavity to the rear of the air box.

pull the rubber guard off between the radiator and frame and bend it back to the air box, alowing air to come in thru grill and hit box.

remove plastic deflector under right headlight

remove plastic deflector on the left side of the right head light

drill 3 2" holes in the lower front part of the air box

i have lots of runs showing the IAT sensor at 50+deg over ambiant temp so i know the air box was geting hot under hood air to it. or the IAT sensor isn't acurate under a large flow. waiting for the foam to harden so i should be able to go out and make a run in a few hours. anyone think this will help?
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Old Jan 11, 2003 | 05:22 PM
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From: Clyde, California
Default Re: diferent route to cold air induction

Why don't you just do a ram-air set up using the OEM air box. I used a 4" hole saw to cut a hole in the bottom of the air box and then cut a hole in the lower mounting plate using a saber saw. I have a 5x10 a/c register mounted in the hole next to the passenger side fog light. The register has to be trimmed at an angle to line up against the back side of the lower gray air dam below the bumper. I ran 4" flex duct from the scoop up into the bottom of the air box. It works great, no problems with water when it rains. I don't go four wheelin so it may get wet if you drive through a creek or something. I still don't think it would suck up water since you're still using the two stock air inlets also. I've had a home made FIPK, K&N FIPK and a UPD intake. None worked better than what I've got now! In fact, I had the K&N FIPK when I made the ram-air system, and the ram-air worked better. I've touched the air box after drving and it's cool to the touch, especially on a cool or cold night. For the money, you can't beat it. I also don't believe the a K&N or any other hi flow filter performs any better than a GOOD paper filter. I use a Purolator filter and it actually made my truck perform better at the track than the K&N I was using. Of course, this is just what I've experienced and learned after playing around some.
Jim
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Old Jan 11, 2003 | 06:54 PM
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single digit dreamer
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From: omaha ne
Default Re: diferent route to cold air induction

update, the IAT didn't change, it must be a sensor thing but it did give me an extra pound of boost, that seems prety significant, i cant tell if it is colder air or not but i went from 6 to 7psi and my maf went from 50lb'min to 52lb/min, seems to be a good mod

at about 75% throttle the IAT jump form 30deg to 80deg, it happens all at once so it must be some kind of electrical thing, anyone ever hear of this.
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Old Jan 11, 2003 | 06:56 PM
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Default Re: diferent route to cold air induction

Parish

Something is definately wrong with your temp sensor. I just got back from logging my temps.

It's 28° outside. My IAT showed 39° once the truck warmed up. When I go WOT the temp. DROPS to around 36°. I am running the UPD but, that uses the stock airbox bottom and it still draws from the same place.

Have you done anymore testing on yours?

John
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Old Jan 11, 2003 | 06:59 PM
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Default Re: diferent route to cold air induction

Damn, we posted almost at the same time. <img border="0" title="" alt="[Eek!]" src="gr_eek2.gif" />

A ram air setup will get you more boost. The Powerdyne guys have been doing that with the Fbody setups.

52lb/min huh....I hope to be joining you in the 5X lb/min range one of these days. <img border="0" title="" alt="[Big Grin]" src="gr_grin.gif" />

John
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Old Jan 11, 2003 | 07:31 PM
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Default Re: diferent route to cold air induction

When I just took off my factory air box and replaced it with an open K&N, it went from 6-6.5 psi to 7-7.5 psi.

Kent
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Old Jan 12, 2003 | 10:33 AM
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From: MI
Default Re: diferent route to cold air induction

I've got the Airaid kit and took the metal shield and wrapped the sides facing the engine with heat reflective material. You can feel a night and day difference just by sticking your hand in the filter area versus the engine bay area. I borrowed Y2K Silverado's idea awhile ago and made a similiar tube and collector to feed cold air up to the filter. I have yet to install it though.
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