Homemade snorkel - Defender Source
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  #1  
Old June 9th, 2005, 02:01 PM
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Chris Davis
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Talking Homemade snorkel

Well, here is the finished product. I used 2.5" muffler pipe bent at a shop, welded on a SS wing top transition plate (where it enters the fender) which to do over I would have made out of normal steel since it is very frickn hard to cut SS. Under the hood I ran 3" aluminum flexible tube, like heavy duty dryer tube. Good enough for now until I figure something else out that is more durable (this is not the thin stuff--it won't puncture, but it is not bombproof). I cut off the air cleaner snorkel and welded on a 3" diameter transition to provide less drag. I don't seem to have much of a problem with air flow through the 2.5" upper, but I am still testing it. If I do, I will have the shop bend up some 3". So far, I have paid about $40 for the mushroom, $50 for the muffler pipe, and $8 for the flex aluminum and figure $10 for hardware and paint. So about $100. It is secured on the top through the rain gutter, another about 1/3 up the windscreen, and on the wing via the welded plate.
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  #2  
Old June 9th, 2005, 02:25 PM
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Bradlee Duncan
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That's some good engenuity (sp?) you got right there. Looks good finished too. Good job!


PS. Make sure you post back on whether the 2.5" is big enough or not.
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  #3  
Old June 9th, 2005, 03:30 PM
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Nice work Chris! I think it looks much cleaner then the normal ones with the flex conections at the bends like mine.

I found one thing and I am not sure if it is bad or not, some of the flex hoses collapse like an accordian when under hard acceleration, like the stuff I bought to go from the MAF to the plenum. It only does this under hard acceleration and I only saw it because the hood was off. No lack in power because of it though.
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  #4  
Old June 9th, 2005, 11:49 PM
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Chris Davis
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I was worried about that so I took off the mushroom cap when testing and plugged the end of the pipe to see if I could get the aluminum to colapse before engive failure and I could not. For now, I don't see a disadvantage to the cheap aluminum pipe. I took the truck on the freeway 30 miles to work today and everything seemed normal. No more or less power, so for now I will just play with the truck.
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Old June 10th, 2005, 11:34 AM
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Chris, I am thinking of doing the exact same thing as you have done with your snorkel. When you went to the exhaust shop, did you buy from them and have them do the bends? Or buy seperate and take it there? Also, did you do the measuring for angles and lengths and just tell them ?
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Old June 10th, 2005, 01:36 PM
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Chris Davis
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I used their stuff. I went to a local guy that I did my muffler, we went out to the garage with my truck and did everything right there. Took about 10 minutes. Made me want my own hydraulic bender.
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  #7  
Old June 10th, 2005, 02:49 PM
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I've seen alot of crappy homemade snorkels on this board, but I have to say yours is the best hands-down. Nice work. Keep us posted on its performance.
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Old June 21st, 2005, 03:45 PM
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Here is the one I made for my Disco. I used 3" steel tubing. The bends are cut/welded vs. actually bent.

The flex pipe was ordered from McMaster-Carr. Page 170 of their catalog: Blo-R-Vac General Purpose PVC Duct Hose Thick Wall, 3" ID, 3-7/16" OD, Blue
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  #9  
Old June 21st, 2005, 07:56 PM
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Chris Davis
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Very slick, Kai. What is that tube on the top of your truck?
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  #10  
Old June 21st, 2005, 08:29 PM
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Looks like the roof bars.
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  #11  
Old June 21st, 2005, 09:15 PM
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Registry
how is the plumbing unde the hood?
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  #12  
Old June 22nd, 2005, 08:28 AM
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Chris,
They changed the roof rails for the '04 Disco. They are now big "toobs" which I really dont care for.

Not trying to hi-jack the thread,just figured you guys could use the link for the Flex Tubing. It is definately thick and will not compress via suction from the intake.
Kai
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