Honda Accord (1990 - 2002) Includes 1997 - 1999 Acura CL

Do it yourself ram air

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Old Nov 29, 2003 | 08:00 AM
  #1  
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Default Do it yourself ram air

Here is a homeade how to on how to make your own ram air if you don't want cai. If you go to your local car parts store they should have a tube thats flexible, kinda looks like dryer ducting, but is black and is pretty strong. You run that to where you would run your CAI piping down where your resonator box would go and there is an opening on your passenger side fender, just run that from the bottom of the fender opening (I had to cut mine a little bit (it is naturally enclosed) and run the ducting to your intake or stock airbox and use clamps to your stock airbox or you can run it to your intake (the inner part of the filter) and use clamps in the engine to hold it in place (it won't move at all if its not clamped). This will force air into your filter that is already sucking in air and it will be air from the "outside" thus making it cold-er air. Some people like the responsiveness of the short ram intakes and also if you don't want to worry (not much to worry about because it rarely happens) sucking in water from CAI. I made sure this actually works I started my car and stuck my hand over the tubing at the fender and I can feel it pulling in air. Its kind of a ghetto homemade ram air but it works and its really cheap. I haven't dynoed it but some colder air is better than just regular engine bay heat air. I will try to get pics on this as soon as I can. And let me know what you guys think of this DIY. Happy tuning.




Modified by VRDrvr at 7:53 PM 11/29/2003
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Old Nov 29, 2003 | 01:03 PM
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Default Re: Do it yourself ram air (VRDrvr)

people have been doing this for years.

In my opinion, it doesn't do anything at all.

The stock air intake system on Hondas are VERY good. Many people underestimate it. Engineers far smarter than you or I made these to perform well and protect the engine at the same time. I wouldn't mess with a good thing.
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Old Nov 29, 2003 | 01:51 PM
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Default Re: Do it yourself ram air (WuWarrior)

So are you saying intake in general is a bad thing? And if so why does it improve MPG and HP? I understand and love honda for making such an awesome design and I agree with the phrase "if it ain't broken dont fix it". But there are emission control and sound control devices in place ie intake, exhaust header etc in order to keep emissions and sound level down. Just my opinion on this.
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Old Nov 29, 2003 | 05:11 PM
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Default Re: Do it yourself ram air (VRDrvr)

i agree with wuwarrior, thats why i kept the stock airbox and changed the stock filter to a k&n filter. the stock airbox has a pretty good design, but it can be improved by changing the airfilter.

the ram air is a good idea, but doesnt it also allow water to come into the into the intake?
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Old Dec 1, 2003 | 09:29 PM
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Default Re: Do it yourself ram air (CD5sam)

As far as I know I haven't had any problems with any moisture. Its kinda ribbed (for my engines pleasure) so water would have a hard time traveling up, plus my filter isn't down by the fender sucking in water, its still in the engine bay (take a look at my car pics) and the ram air tubing is located inside the middle of the aftermarket filter. Like I said this is kinda a ghetto ram air but it works. It probably works best with the stock setup due to you can clamp it to the actual airbox and replace your resinator. Also when you look at your resinator (the part that sits at the fender) you will notice a small hole about the size of a green pea. This is how much air that resinator is sucking in....good design but also made to silence and probably to prevent water going up. But you would have to submerge your front wheels 50-60% in order for your engine to suck in water with this setup.....CAI would have been done a long time ago.






Modified by VRDrvr at 6:39 AM 12/2/2003
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Old Dec 2, 2003 | 09:48 AM
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Default Re: Do it yourself ram air (VRDrvr)

IMO ram air is useless unless it is actually being "forced" into the motor, ie. turbo or supercharger. however i do promote switching from stock airbox to aftermarket intake system for small gains and throttle response.
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Old Dec 2, 2003 | 11:05 AM
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Default Re: Do it yourself ram air (VRDrvr)

I'm intrigued by creative thinking....Pics
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Old Dec 2, 2003 | 12:02 PM
  #8  
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Default Re: Do it yourself ram air (RotaryBzzzz)

Here are the ram air picture:



and the engine bay was detailed a couple hours after that pic.....I saw the detail of the dirtyness.....and I know we aren't supposed to post non-tech related pics, but I had to share this one with you guys,





Modified by VRDrvr at 9:25 PM 12/2/2003
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Old Dec 2, 2003 | 01:41 PM
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Default Re: Do it yourself ram air (VRDrvr)

Is it just me or is that filter backwards?

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by VRDrvr &raquo;</TD></TR><TR><TD CLASS="quote">Here are the ram air picture:



and the engine bay was detailed a couple hours after that pic.....I saw the detail of the dirtyness.....and I know we aren't supposed to post non-tech related pics, but I had to share this one with you guys,



Modified by VRDrvr at 9:25 PM 12/2/2003</TD></TR></TABLE>
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Old Dec 2, 2003 | 01:45 PM
  #10  
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Default Re: Do it yourself ram air (pyrojeff)

The filter is on right.....that piping goes into the inlet part of the filter, I know I put it on right......
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Old Dec 2, 2003 | 04:28 PM
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Default Re: Do it yourself ram air (VRDrvr)

Actually, ram air is not practical. At automotive velocities it does not work.

Here is a great article on air intakes and ram air:

http://www.vetteguru.com/ramair/
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Old Dec 2, 2003 | 05:15 PM
  #12  
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Default Re: Do it yourself ram air (WuWarrior)

Good article, however I just had one question, if there isn't such thing as "ram air" then how does subaru get their top mount intercoolers to cool the turbo charged air? And wouldn't this be somewhat true for front mounts? I guess not as much just because it is in the front of the car and in theory would be the same as CAI, but what about top mount intercoolers....just for arguments sake? Based off of that article subaru would have the same effectiveness of their top mounts if they didn't have a hood scoop. Curious what the opinion on this would be. And my reply isn't really "honda" related, but more a theory/technical question overall

.
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Old Dec 2, 2003 | 06:35 PM
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Default Re: Do it yourself ram air (VRDrvr)

bout the subaru getting cooled... gues ya never saw the hood. there's definatly a big hood scoop going directly over the turbo to cool it down.
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Old Dec 2, 2003 | 06:47 PM
  #14  
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Default Re: Do it yourself ram air (Michalob234)

Well my friend has a Dub-X and I see how it works and where the turbo is placed, but according to the article there shouldn't be a lot of air forcing into the engine bay and or intercooler.
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Old Dec 2, 2003 | 06:50 PM
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Default Re: Do it yourself ram air (VRDrvr)

when can i put a damn pic in my avatar...

i know its ot, but its pissin me off
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Old Dec 2, 2003 | 06:52 PM
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Default Re: Do it yourself ram air (CD5sam)

nm
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Old Dec 3, 2003 | 09:37 AM
  #17  
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Default Re: Do it yourself ram air (CD5sam)

I like your avatar
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Old Dec 3, 2003 | 12:05 PM
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Default Re: Do it yourself ram air (VTECsam)

VRDrvr where in co do u live?? i liked the pic of red rocks......best place for concerts
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Old Dec 3, 2003 | 12:56 PM
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Default Re: Do it yourself ram air (CD5sam)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by CD5sam &raquo;</TD></TR><TR><TD CLASS="quote">the ram air is a good idea, but doesnt it also allow water to come into the into the intake?</TD></TR></TABLE>

The amount of water necessary to do any kind of damage to your engine through an intake would have to be almost equal to the front end our your car bein submerged. The small amout of water vapor that could possibly (not likely) be sucked through the intake would actually help by preventing detenation (i.e. water injection kit that people use on cars with turbo upgrades to prevent damaging the block). So to answer your question no this will not do any harm.
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Old Dec 3, 2003 | 05:32 PM
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Default Re: Do it yourself ram air (h22ah)

I live like 20 miles south of denver......more of a "richie rich" neighborhood, but at least it ain't the GHETTO. And Red Rocks is awesome, check out film on the rocks its sweet. sorry OT i know.
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