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Kevzeboy



Member Since: 19 Jul 2014
Location: Cumbria
Posts: 81

United Kingdom 2011 Defender 110 Puma 2.4 USW Indus Silver
K and N?
Is it worth putting a K and N element filter in a TDCI?

My Defender is coming up to needing a service. I had a K and N in my TD5 mainly as they are a serviceable item and you get better induction. I had two so one was already cleaned and oiled waiting to go.

I have read a couple of bad posts about putting a K and N on an Essex motor. (I thought they would love it)!

Would it be a good idea for me to add a K N at the next service or stick with the paper ones.

Any thoughts welcomed!

Kevin
Post #348113 28th Jul 2014 8:55pm
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big steve



Member Since: 24 Dec 2009
Location: hertfordshire
Posts: 2456

United Kingdom 2015 Defender 90 Puma 2.2 HT Montalcino Red
No do not waste your money it's has been proved on a dyno that so called performance filters don't work stick with genuine

Steve 2015 2.2 tdci hardtop xs
3.2 conversion DONE 238bhp and 707nm torque and thats just the start ;-P
hybrid turbo in build -done ready to fit
ashcroft atb in transfer box
6 speed auto in build
Post #348118 28th Jul 2014 9:21pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Wot he said Thumbs Up

http://www.defender2.net/forum/topic21125....ce+filters Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #348119 28th Jul 2014 9:27pm
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Dave-H



Member Since: 08 Feb 2011
Location: Surrey
Posts: 1507

England 2007 Defender 90 Puma 2.4 HT Tonga Green
Third'ed Thumbs Up

Original paper far better, filters better, much cheaper and just as free flowing.

Unless you are driving in constant dusty conditions, K+N will be an expensive gimmick .. Laughing Guns and Landrovers .... anything else is irrelevant.
Post #348218 29th Jul 2014 1:07pm
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tookaphotoof



Member Since: 18 Mar 2013
Location: dordrecht
Posts: 1279

Netherlands 2013 Defender 130 Puma 2.2 HCPU Santorini Black
If I needed to drive in constant dusty conditions I for sure wouldn't want anything else than a paper filter.
They don't cost world. Just change them more often if needed. It's a two minute job instead of the time consuming cleaning, drying, spraying ritual of K&N type filters.
Post #348220 29th Jul 2014 1:17pm
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ronwong



Member Since: 28 Jun 2012
Location: Singapore
Posts: 120

2012 Defender 110 Puma 2.2 SW Orkney Grey
Does different brands of paper filter matter? Our dealers here like to stock MANN
Post #348399 30th Jul 2014 3:59pm
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Kevzeboy



Member Since: 19 Jul 2014
Location: Cumbria
Posts: 81

United Kingdom 2011 Defender 110 Puma 2.4 USW Indus Silver
Mann is a premium grade filter. OE spec.
Post #348430 30th Jul 2014 7:23pm
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ronwong



Member Since: 28 Jun 2012
Location: Singapore
Posts: 120

2012 Defender 110 Puma 2.2 SW Orkney Grey
So it's good stuff
Post #348508 31st Jul 2014 1:03am
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glpinxit



Member Since: 31 Jul 2010
Location: Somerset
Posts: 149

United Kingdom 
Why do you want an air filter at all? I think manufacturers put them on engines to ensure abrasive dust doesn't get into your engine and damage it or wear it out prematurely. So if you can hold a filter up to the light and see light through it then dust particles aren't getting filtered out. I would rather suffer a small performance penalty over needing a new engine. Your choice but every 'performance' filter I've seen allows a lot of light through. Cheers, Guy.
Post #349360 3rd Aug 2014 10:47pm
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ZeDefender



Member Since: 15 Sep 2011
Location: Munich
Posts: 4731

Germany 2011 Defender 110 Puma 2.4 SW Baltic Blue
Okay - I should qualify what I said above...

The only foam filter I trust is from ITG. I have been on a lot (!) of forums and talked to various manufacturers about this. It doesn't increase engine performance, nor does ITG claim this (only that performance doesn't drop as much when the filter gets dirty). It also has to be cleaned every 50,000 km and retreated with filter "oil" (e.g. Motul). This is tricky to do properly. However, unlike K&N filters, the oil is "gooey" (it only contains thinners when it's sprayed on) and doesn't move around. I bought some K&N oil to experiment - it's like gun oil and I wouldn't let it near my engine Rolling Eyes My MAF has been clean since new (57,000 km).

Negatively, the ITG filters are expensive.

So if you're looking for initial high performance, don't bother with anything other than paper filter.

In my case, I'm naturally inquisitive and I've found the ITG has some advantages for me:

1) It's water repellent, so my modified air (rain) intakes are unlikely to soak it solid.
2) It's not as deep as the foam filter so there is more height above the air intakes for air to "sit" and water to drop down.
3) You can't see through it.
4) I like cleaning things.

Last time I cleaned it, a whole load of crap came out of the course foam at the bottom (it gets stuck there) but the very fine foam at the top was like new. No oil (or rather "glue") had passed through.

I believe there is a place for good foam filters in certain cases. But only good ones. If you want better performance, buy a Ferrari Thumbs Up Tell someone you love them today because life is short.
But shout it at them in German because life is also terrifying and confusing...
Post #349539 4th Aug 2014 10:23pm
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