New idea......force feeding air - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 05-11-2003, 08:15 PM   #1
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Default New idea......force feeding air

Guys, I was poking around the beast yesterday making a template for the heatshield I need for the ADTR intake, and made a little discovery.

On the 92-95 front bumpers, there'* a cutout underneath on each side about 4" in a semi-circle shape. I'm in the process of ducting from that location with flexible hose up thru the headlight bracket. I plan on buying or making (sheetmetal considering the vulnerable location) a scoop to go under there. Stuff some more air in the box.

My heatshield for the intake is about ready to go in. This is the first model. I'll probably go sheetmetal eventually.

Take a peek under your cars to see what I mean about the cutouts. I'm putting both of mine to use.
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Old 05-11-2003, 08:32 PM   #2
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Uhmm do you mean the fog light holes ??
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Old 05-11-2003, 09:35 PM   #3
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Nope. UNDERNEATH the air dam. You'll see 'em if you look under there. Underneath about where the SE driving lights are. Holes face downward.

My intake heatshield (CAI) suffered from a little performance run. Broke the damn brackets. Acrylic isn't the way to go on these. Sheetmetal next. Thing couldn't hold up to the engine torque.
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Old 05-11-2003, 10:43 PM   #4
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has anyone ever tried hooking up the air pipe directly over their cone filter? the filtler can pull the cool air when idling and when at highway speeds the air is forced into the intake with nowhere else to go. Would this work, or would the air just get backed up?

On another note, I was on an LS1 website and they did a study on the effects of ram air through a duct under the car directly into their airbox, and they found that it brought about 2-3mpg more than without it at high speeds. Would the same principle apply to our engines?
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Old 05-12-2003, 09:33 AM   #5
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Hey Will!
Ever tried looking into this?
http://www.designengineering.com/cry...ir_intake.html
I'll be carrying their complete line of products as soon as I get pricing from my supplier.
DEI has other products too that can & will cool the air down below reasonable levels.
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Old 05-12-2003, 12:24 PM   #6
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Quote:
Originally Posted by DeathRat
Hey Will!
Ever tried looking into this?
http://www.designengineering.com/cry...ir_intake.html
I'll be carrying their complete line of products as soon as I get pricing from my supplier.
DEI has other products too that can & will cool the air down below reasonable levels.

Kinda looks like principle of Nitrous Oxide Injection in reverse.
Warp drive verses Transwarp?

The website doesn't tell much about this cryo system. Like How is it powered and how much power does it take? I'd assume it draws from the electrical system.
It'* an interesting concept.
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Old 05-12-2003, 07:16 PM   #7
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will wouldn't it cool the air to much so that the fuel mix is to high and hurt the mpg
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Old 05-12-2003, 11:59 PM   #8
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Nope. That'* what the IAT does. It watches the intake air temps. Lower temps are better.....higher air density.

The main idea here is to prevent the intake from pulling hot air from the engine compartment.

Read this:
http://www.bonnevilleclub.com/techinfo/?article=32

And this:
http://www.bonnevilleclub.com/techinfo/?article=40
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Old 05-13-2003, 12:26 AM   #9
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Quote:
Originally Posted by willwren
Nope. That'* what the IAT does. It watches the intake air temps. Lower temps are better.....higher air density.
But what if this cryo device is installed downstream of the IAT? Wouldn't that would throw off the fuel/air ratio cuz the 'puter is making up a mixture based in inaccurate info?

I wonder if this device would be able to cool the air that much when so much air is flowing past it. Seems like it would take a lot of power to generate coldness like that. Some have suggested running an A/C duct into the intake for the same purpose, but the power drain of the A/C compressor would negate any gain.
It seems dubious, especially since the website provides almost no technical info about how it works.
I'm suspicious.
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Old 05-13-2003, 09:36 AM   #10
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Maybe this will help a little more.....
Here'* the Instalation Kit:
http://www.designengineering.com/cry...ation_kit.html
The kit icludes a 5 pound CO2 tank, cryogenic solinoid valve, all necessary fittings, 14 feet stainless steel hose, full wide open switch, arming switch, and wiring kit.
Air Intake Kit:
http://www.designengineering.com/cry...ir_intake.html
Consists of an aerodynamically designed bulb with a cryogenic chamber which is mounted in a 4" segment of the air tube. As the air passes over the bulb heat is removed from the air charge resulting in a colder, denser more powerful charge. Dyno testing showed a reduction in intake air temperature of more then 35%.
The Intercooler Sprayer:
http://www.designengineering.com/cry...r_sprayer.html
Mounts directly to the front of the intercooler or aftercooler and vents the liquide CO2 directly onto the cooling fins thus enhancing the performance of the intercooler by more than 50%.
Fuel Bar:
http://www.designengineering.com/cry..._fuel_bar.html
A billet aluminum extension to the fuel line with a cryogenic chamber. the bar is charged with liquide CO2 and freezes to -80 degrees f. Heat is removed from the fuel as it passes through resulting in a colder fuel charge.
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