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Homebrew cold air intake using dual snorkel #130903
10/01/08 10:18 PM
10/01/08 10:18 PM
Joined: Mar 2008
Posts: 571
Western NC
68Bullit Offline OP
mopar
68Bullit  Offline OP
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Posts: 571
Western NC
Anybody doing this? Something like a dual snorkel with tubes routed to the fender wells or somewhere to pull in cold air? Any noticeable power gains? With Autumn near and cooler weather, I was thinking of trying this kind of setup. Post any pictures.......Thanks

Re: Homebrew cold air intake using dual snorkel [Re: 68Bullit] #130904
10/02/08 02:10 AM
10/02/08 02:10 AM
Joined: Feb 2007
Posts: 42
Oregon
FarDarter Offline
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Oregon
I haven't done it yet but I'm planning to rig up something like what you have in mind in my GTO. I'm going to modify an air cleaner base to run to the firewall and draw air in from the cowl. This is a high pressure zone at speed and unlike the hood scoop, will actually provide a light ram air effect. Here's a picture of Jim Hand's wagon using the same thing with two ducts.


Re: Homebrew cold air intake using dual snorkel [Re: FarDarter] #130905
10/02/08 02:38 AM
10/02/08 02:38 AM
Joined: Jan 2003
Posts: 27,444
So Cal
autoxcuda Offline
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Quote:

I haven't done it yet but I'm planning to rig up something like what you have in mind in my GTO. I'm going to modify an air cleaner base to run to the firewall and draw air in from the cowl. This is a high pressure zone at speed and unlike the hood scoop, will actually provide a light ram air effect. Here's a picture of Jim Hand's wagon using the same thing with two ducts.






Jim Hand's son is a member here; Tom Hand. He had a cowl induction setup on his 69 Barracuda 340. I think there might be one on his brother?in/laws? notchback that was in Mopar Action years ago also.

Re: Homebrew cold air intake using dual snorkel [Re: FarDarter] #130906
10/02/08 11:56 AM
10/02/08 11:56 AM
Joined: Mar 2008
Posts: 571
Western NC
68Bullit Offline OP
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Western NC
Quote:

I haven't done it yet but I'm planning to rig up something like what you have in mind in my GTO. I'm going to modify an air cleaner base to run to the firewall and draw air in from the cowl. This is a high pressure zone at speed and unlike the hood scoop, will actually provide a light ram air effect. Here's a picture of Jim Hand's wagon using the same thing with two ducts.




Nice. So, where exactly does this system pull in outside air from, the front vent valance? Looks really nice.

Re: Homebrew cold air intake using dual snorkel [Re: 68Bullit] #130907
10/02/08 12:18 PM
10/02/08 12:18 PM
Joined: Dec 2006
Posts: 3,533
Indiana
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Fury Fan Offline
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Indiana
Remember, the late 70s aircleaners are set up for 3" flex tube already, so get 2 of them and put the snorkel from one onto the other. I did that with my 77 Cordoba when I was 17 (gosh, 20 years ago!).

Didn't notice any performance improvememnt, but there are lots of jetting, etc variables to investigate (which I didn't know how to do back then).

There’s an Aussie magazine website that did some investigating on this regarding using a pressure gauge and tubing at the front of the car to determine optimum placement of scoops. Do a search for ‘negative pressure supercharging’ or something like that.


Parts I seek: driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set 16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better. 69-73 C-body caliper brackets and/or splashields Send a PM.
Re: Homebrew cold air intake using dual snorkel [Re: 68Bullit] #130908
10/02/08 12:38 PM
10/02/08 12:38 PM
Joined: Feb 2007
Posts: 42
Oregon
FarDarter Offline
member
FarDarter  Offline
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Oregon
It pulls air from the vent at the base of the windshield. I guess that is called the front vent? It might be a little easier to rig up on a GM car as I think all of them have removable covers for that area. That's how my GTO is. On my Dart those vents are integral with the whole damn body. How do you paint down in there, anyway? I'm switching from green to black and I've been wondering about that.

Re: Homebrew cold air intake using dual snorkel [Re: FarDarter] #130909
10/02/08 05:12 PM
10/02/08 05:12 PM
Joined: Oct 2006
Posts: 842
Urbana, MD
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bordin34 Offline
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I think Goody made one for his 'Cuda.

Re: Homebrew cold air intake using dual snorkel [Re: 68Bullit] #130910
10/02/08 09:33 PM
10/02/08 09:33 PM
Joined: Dec 2006
Posts: 413
northeast ohio
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mkdart Offline
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northeast ohio
here's mine

4726225-Parts11.jpg (3936 downloads)
Re: Homebrew cold air intake using dual snorkel [Re: mkdart] #130911
10/02/08 09:39 PM
10/02/08 09:39 PM
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northeast ohio
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mkdart Offline
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northeast ohio
Opens to hole in fender next to headlight.

4726242-Dart12.jpg (648 downloads)
Re: Homebrew cold air intake using dual snorkel [Re: mkdart] #130912
10/02/08 09:39 PM
10/02/08 09:39 PM
Joined: Jan 2004
Posts: 5,476
3
340dart4spd Offline
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Quote:

here's mine




Hey?? that reminds me I need to buy some flexible dryer vent!!!!!

Re: Homebrew cold air intake using dual snorkel [Re: mkdart] #130913
10/02/08 09:43 PM
10/02/08 09:43 PM
Joined: Feb 2004
Posts: 1,167
ERIE PA home of the RENCH MOB
mike_vango Offline
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Quote:

here's mine



that looks great! nice job!

Re: Homebrew cold air intake using dual snorkel [Re: mkdart] #130914
10/02/08 11:18 PM
10/02/08 11:18 PM
Joined: Jan 2008
Posts: 350
CT USA
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Nick Mineau Offline
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CT USA
Quote:

here's mine




not to steel the thread but how did you build the part surrounding the air cleaner or where are they sold.

Re: Homebrew cold air intake using dual snorkel [Re: Nick Mineau] #130915
10/02/08 11:33 PM
10/02/08 11:33 PM
Joined: Jul 2005
Posts: 757
Toronto, Ont, Canada
boydsdodge Offline
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Toronto, Ont, Canada
I think the company is called Ram Air, they are based in Hamilton Ontario.
I have seen the ads in the back of Mopar Action.

Re: Homebrew cold air intake using dual snorkel [Re: boydsdodge] #130916
10/06/08 07:51 AM
10/06/08 07:51 AM
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Posts: 3,533
Indiana
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Fury Fan Offline
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Parts I seek: driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set 16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better. 69-73 C-body caliper brackets and/or splashields Send a PM.
Re: Homebrew cold air intake using dual snorkel [Re: mkdart] #130917
10/06/08 08:32 AM
10/06/08 08:32 AM
Joined: Jan 2003
Posts: 24,562
Brookeville, Md
Mr.Yuck Offline
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Brookeville, Md
Quote:

here's mine



if you replaced the Corrugated duct work with a something smooth your air flow would be much better.

Re: Homebrew cold air intake using dual snorkel [Re: Fury Fan] #130918
10/08/08 03:16 PM
10/08/08 03:16 PM
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Indiana
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Fury Fan Offline
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Quote:


There’s an Aussie magazine website that did some investigating on this regarding using a pressure gauge and tubing at the front of the car to determine optimum placement of scoops. Do a search for ‘negative pressure supercharging’ or something like that.




Stumbled across it again:
http://autospeed.com/cms/search/index.html?keywords=negative+pressure

Scroll down to 'siting cold air intakes'...


Parts I seek: driver doorpanel, 65 Sport Fury, prefer black, needs to be 7-8 on 10 scale, might buy set 16" x 6" Dodge truck wheel(s), from early 70s?, takes 9" dogdish - need for a research job so cheaper is better. 69-73 C-body caliper brackets and/or splashields Send a PM.
Re: Homebrew cold air intake using dual snorkel [Re: 68Bullit] #130919
10/08/08 04:09 PM
10/08/08 04:09 PM
Joined: Jan 2003
Posts: 1,072
Louisville, KY.
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Scottmon Offline
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You could do something similar to the W-31 Olds by adding snorkels under the front bumper and pipe it up to the air cleaner. Ram Air at it's finest...

Re: Homebrew cold air intake using dual snorkel [Re: Scottmon] #130920
10/08/08 04:25 PM
10/08/08 04:25 PM
Joined: Jan 2003
Posts: 2,111
Bowie, MD
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Reggie Offline
top fuel
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Bowie, MD
You could fab a dual snorkel setup from two 80s cop car 4bbl air cleaners. The snorkel bodies are larger compared to the earlier stuff that I've seen.

Re: Homebrew cold air intake using dual snorkel [Re: Reggie] #130921
10/08/08 04:55 PM
10/08/08 04:55 PM
Joined: Feb 2005
Posts: 3,957
SW Fla.
CYACOP Offline
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No matter how nice it is done or comes out, I really dont think there is any advantage to it myself. It just adds junk under the hood of a nice car.

Re: Homebrew cold air intake using dual snorkel [Re: CYACOP] #130922
10/08/08 05:04 PM
10/08/08 05:04 PM
Joined: Nov 2007
Posts: 21,808
Kirkland, Washington
Pacnorthcuda Offline
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Quote:

No matter how nice it is done or comes out, I really dont think there is any advantage to it myself. It just adds junk under the hood of a nice car.




I put one of the dual snorkle 'Ram Air" units on a 440 Cuda back in about 2000-2001. Sealed the top cleaner lid (they use a standard 14") and routed the two 4 inch ducts through the radiator support. (Battery was already in the trunk and no washer bottle so plenty of room) Car had a solid .25 second 1/4 improvement with NO other changes.

It worked for me, definatley. Looked great too.

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