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Defender snorkel and air filters? Defender snorkel and air filters?
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Light Overland Vehicle Tech Tech issues, tips and hints, prepping for travel
Under 3500kg vehicles, e.g. Land Cruiser, Land Rover, Subaru etc.
Photo by Andy Miller, UK, Taking a rest, Jokulsarlon, Iceland

I haven't been everywhere...
but it's on my list!


Photo by Andy Miller, UK,
Taking a rest,
Jokulsarlon, Iceland



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  #1  
Old 19 May 2013
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Defender snorkel and air filters?
I'm replacing my two front wings soon, so probably time to replace the old military snorkel as well (rusty inside the metal pipes etc).

What are the best options - they all seem to be cheap plastic things that would break when whacked by a small tree branch ;-p

Also wondering if one of those fancy glass bowl type air filters is worth it on the end of snorkel?

This is the type of top what I have now:

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  #2  
Old 20 May 2013
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Buy a genuine Safari snorkel from paddocks not a cheap copy. I saw a report that showed the cheap ones do not use the correct grade plastic and fail due to uv etc. they where also structurally weak.

The genuine safari will not brake before your Landy does!

It is one piece so that is useful I terms of easy fitting and reliability, etc.

Dan
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Old 20 May 2013
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Thanks - I'm thinking I might use a Mantec one similar to that above and replicate the position of the military snorkel on top of the front wing. This seems much less likely to be smashed than on the side.

I was side swiped by a truck in Botswana - he then reversed into me when leaving causing even more damage ;-p

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Old 21 May 2013
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He had two goes! Nice.

Just be sure to test it is air tight with all those joints.

Dan
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  #5  
Old 21 May 2013
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Snorkel
I Have a Southdown Snorkel on my TD5, its a good piece of kit and not the price of a Safari (which have gone up in price AGAIN!)

You can read about them here.

Terrafirma Snorkels - Southdown Snorkels Accessories for Land Rover Vehicles

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  #6  
Old 23 May 2013
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The cyclone type either as in pic of green 109 , or the glass bowl type have a precleaning action , so that less gets thru to the airfilter. This is better than the plain scoop type so often seen , as your filters last longer in dusty conditions . You can make your own cheaper than pre made systems , use either stainless steel tube or ali tube, and silicone hoses. I mounted a donaldson exterior filter with a plain piped system to the intake. this is more foolproof , as it moves the air cleaner housing way above water level, as most filter housings have water dump valves which can be problematical . HTSH
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Old 23 May 2013
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The cyclone filters (like that on the green 110) do reduce performance somewhat, where the "scoop" types don't. Depends how important this is to you...
Simon.
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Old 23 May 2013
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If they are matched to size of engine then should not make any difference , and definately not with a turbocharged engine HTSH
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Old 27 May 2013
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Quote:
Originally Posted by tacr2man View Post
If they are matched to size of engine then should not make any difference , and definately not with a turbocharged engine HTSH
Agreed, but I don't think the cyclone in the pic is matched for a turbo engine's air requirements - more for a naturally asphixiated 2.5 diesel. I experimented with my 200tdi with cyclone on and off and the difference was noticeable, particularly on the motorway. A well loaded LR, maybe with a roofrack, needs all the oomph it can get!
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Old 4 Jun 2013
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I have one of these, they are *very* efficient and can be bought at a reasonable price at agricoltural machinery supplies.
http://www.virgis.com/db_images/PREFILTRI%20VORTEX.pdf

Cheers
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  #11  
Old 5 Jun 2013
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donaldson pre cleaners
I have a safari air intake I picked up on ebay, very durable and has been hit by a few trees & branches over the years with only minor scratches.

As for the cyclone pre filter, I bought one from here: Cyclonic Pre Filter Head - Welcome to Alien Snorkels again via ebay and was amazed at the crap it collected just from my commute allong the M4, I used to get distracted frequently by the stuff wizzing around in the bowl.

however the one pictured on the website is in my opinion too small for the TDI engine, I used the airflow calculator on the donaldson web site and found I needed the size up from the one I have - its now removed.

try googling donaldson pre cleaner. get the right size and they are amazing. btw donaldson also provide the air cleaners for many of the military defenders used in the sandbox

regards
Gren
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Old 13 Jun 2013
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Another thumbs up for Southdown. It drops through the top of the wing, is stainless and has a regular scoop on top. Fully sealed, no problems in 4.5ft of water.

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  #13  
Old 17 Jun 2013
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Hi I have the safari snorkel with the cyclone top fitted and works well I bought it in 2002 from oz .

Defender snorkel and air filters?-imageuploadedbytapatalk1371470004.492479.jpg

Thanks
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  #14  
Old 19 Jan 2014
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Donaldson prefilter, works grear in dust, rain, snow storms...catches everything....now for some 3 1/2 years here in arctic.

here is how one is made (tube from mild exhaust pipe 2,5") and how its installed:

Ron's Range Rover Classic Modifications

I have similar self made setup, pipe cost me some 20e and pre filter 25e...time to fabricate were some 4-5 hours.

These pre filters are used in commercial machines, but seem to work fine also in cars, so far I`m were happy with it

ps. for land rover engines take similar size, this thing need air flow rushing though it so it can create the filtering effect. Donaldson filters can be found in most agricultural (tractor) shops
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