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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 Marc Gibaud, Clouds on Tres Cerros and Mount Fitzroy, Argentinian Patagonia

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Photo by Marc Gibaud,
Clouds on Tres Cerros and
Mount Fitzroy, Argentinian Patagonia



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  #1  
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

Have fun
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Chief Frog at Frogs Island 4x4 - 4WD Overland Preparation Specialists. Traveller - need inspiring for next trip
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  #2  
Old 22 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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  #3  
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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  #5  
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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  #6  
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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  #7  
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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