5th Generation Maxima (2000-2003) Learn more about the 5th Generation Maxima, including the VQ30DE-K and VQ35DE engines.

Dual intake - hypothetical

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Old Nov 14, 2000 | 10:20 AM
  #1  
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I've been researching intakes, CA, Stillen Hi-Flow, and make your own, and was wondering if there is any benefit to making an intake which consolidates the two different type of intakes into one comprehensive unit.

What I had in mind was a tube coming off the MAF device into a "Y" branch. One branch would serve as a hi-flow style with the filter being inside the engine compartment, the other branch would go into the fender well as a CAI with the filter being in the fender well.

This would allow air to come in from two different places; however, it would still get funnelled into the same place. I'm not sure if this would make more air or would just mess everything up. I am presuming air from under the hood would be warmer and air from the fender would be cooler.

I'm not sure if the structure of the "Y" would cause air rushing in from one branch to go into the other branch or if the velocity would cause it to go into the MAF device.

This setup would be twice as much in price, but could possibly yield bigger gains.

AEM has a "turbo" option on one of their intakes, now, which is really just a fan to blast the air down the pipe. This may be an option as well.

Have I totally lost it, or would this be something I should experiment with?
Old Nov 14, 2000 | 10:48 AM
  #2  
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It'll be a waste of money. With the standard 7" cone from the PR CAI, the engine can't suck in more air than the cone will provide. Doing the setup you are tlaking about won't gain anything... you may go faster cause your wallet is lighter though. ;-)

As for the fan? No, not going to work or gain anything. Even the best fans can't push enough air to gain a darn thing.

So, I wouldn't do it.. won't gain anything just cost more.

-Shing

Originally posted by mdeal
I've been researching intakes, CA, Stillen Hi-Flow, and make your own, and was wondering if there is any benefit to making an intake which consolidates the two different type of intakes into one comprehensive unit.

What I had in mind was a tube coming off the MAF device into a "Y" branch. One branch would serve as a hi-flow style with the filter being inside the engine compartment, the other branch would go into the fender well as a CAI with the filter being in the fender well.

This would allow air to come in from two different places; however, it would still get funnelled into the same place. I'm not sure if this would make more air or would just mess everything up. I am presuming air from under the hood would be warmer and air from the fender would be cooler.

I'm not sure if the structure of the "Y" would cause air rushing in from one branch to go into the other branch or if the velocity would cause it to go into the MAF device.

This setup would be twice as much in price, but could possibly yield bigger gains.

AEM has a "turbo" option on one of their intakes, now, which is really just a fan to blast the air down the pipe. This may be an option as well.

Have I totally lost it, or would this be something I should experiment with?
Old Nov 14, 2000 | 11:44 AM
  #3  
sprung's Avatar
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the engine will draw air from the path of least resistance, whick would most likely be the underhood intake so you would be pulling nothing from the CAI. Good thought but unfortunately it won't work.
Old Nov 14, 2000 | 11:51 AM
  #4  
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Their has been some discussion about using fans on other forums and came to the conclusion that it wouldnt work, but a turbine would... Like from a RC model jet. Dunno how much power it would drain from the engine though but you could get enough boost...

Adam
Old Nov 14, 2000 | 12:04 PM
  #5  
TX2KSE
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I know there are electric ducted fans out there. Hmmm. might be worth a look. It's been a long time, but I think I remember the first propane powered ducted fans for RC's were putting out 7 - 9 lbs of thrust. I'm sure they've improved since then.

Originally posted by 2000MaximaSE
Their has been some discussion about using fans on other forums and came to the conclusion that it wouldnt work, but a turbine would... Like from a RC model jet. Dunno how much power it would drain from the engine though but you could get enough boost...

Adam
Old Nov 14, 2000 | 12:45 PM
  #6  
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The engine would have to be able to use all that air...

There are a few powerplants like the C5's LS1 that can use that much air, but the VQ just isn't one of those engines.

I once saw a K&N dual cone intake for the C5, so I suppose it can put it all to use. The Viper ACR comes with an intake like that stock, as well.
Old Nov 14, 2000 | 01:11 PM
  #7  
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Nope, won't work... there are "electriv superchargers" out there... don't make a darn difference.

-Shing

Originally posted by TX2KSE
I know there are electric ducted fans out there. Hmmm. might be worth a look. It's been a long time, but I think I remember the first propane powered ducted fans for RC's were putting out 7 - 9 lbs of thrust. I'm sure they've improved since then.

Originally posted by 2000MaximaSE
Their has been some discussion about using fans on other forums and came to the conclusion that it wouldnt work, but a turbine would... Like from a RC model jet. Dunno how much power it would drain from the engine though but you could get enough boost...

Adam
Old Nov 14, 2000 | 01:30 PM
  #8  
TX2KSE
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I stand corrected. I did some research There are three major model airplane turbine manufacturers. RAM, AMT, and Golden West.

They run on propane or kerosene. They put out anything from 10lbs to 35lbs(156 N)of thrust (I don't know if or how that translates to PSI or anything I can relate to). They turn from 85,000 to 150,000 RPMs. They cost anywhere from $1700 to $5000.


As far as electrics go, in general I found roughly 4" diameter fans that put out about 5-25 N (translation to PSI, anyone?) for $60 - $140.

http://www.electricjetfactory.com/
Old Nov 14, 2000 | 03:48 PM
  #9  
tb420's Avatar
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timing

hey that's kind of weird, i just posted a long question about a 'y' and two intakes, before noticing your post. at least it'll be easier for the skeptics to shoot em both down a the same time - two birds w/ one stone kind of thing
Old Nov 14, 2000 | 06:24 PM
  #10  
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Well, it's a good thing my idea went over like a ton of bricks or you'd be sue'n me right 'bout now for stealing your idea.

Just think, I could be tapping into your brain from afar....
Old Nov 14, 2000 | 07:00 PM
  #11  
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Originally posted by TX2KSE
I stand corrected. I did some research There are three major model airplane turbine manufacturers. RAM, AMT, and Golden West.

They run on propane or kerosene. They put out anything from 10lbs to 35lbs(156 N)of thrust (I don't know if or how that translates to PSI or anything I can relate to). They turn from 85,000 to 150,000 RPMs. They cost anywhere from $1700 to $5000.


As far as electrics go, in general I found roughly 4" diameter fans that put out about 5-25 N (translation to PSI, anyone?) for $60 - $140.

http://www.electricjetfactory.com/
Heres another link if you're looking into electric blowers...

http://www.electricsupercharger.com/
Old Nov 15, 2000 | 11:24 AM
  #12  
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It may work, I seen that set up on a Turbo IS don't know how effective.
Old Nov 15, 2000 | 11:29 AM
  #13  
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Re: timing

Originally posted by tb420
hey that's kind of weird, i just posted a long question about a 'y' and two intakes, before noticing your post. at least it'll be easier for the skeptics to shoot em both down a the same time - two birds w/ one stone kind of thing
Not being skeptical... simplying pointing out some more or less facts about these systems. You could try it, but you won't see much gain if any.

-Shing
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