Air filter for 2.8 HS TGV engine - Defender Source
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  #1  
Old April 19th, 2008, 02:59 PM
Santiago
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Santiago Gigola
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Air filter for 2.8 HS TGV engine

Hi,

Igot my 2.8 HS International TGV engine connected to a standard LR Defender Td5 air filter (square and relatively small). I have been told on a couple of occasions that this air filter is too small to cope with the air demand of the 2.8 engine.

Anybody has the answer for this?

I have checked the factory air filter that came with the Ford Ranger pickup that was produced with the same 2.8 engine a couple of years ago (in Argentina) and the air filter was much bigger and cilindrical, it has aproximately 80% more surface area.
Any opinions?
During hot days (?) I have the sensation that the engine cannot suck enough air, making a strong vacuum-like noise.
What air filter are other 2.8 HS TGV powered Defender 90 users using?

Regards,
Santiago
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  #2  
Old April 19th, 2008, 06:42 PM
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mark kellgren
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My kit from M and D engineering in the UK came with the 300 tdi LR stock air filter assembly. I use 300 tdi filters as replacements. I would go with that if I were you.
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  #3  
Old April 20th, 2008, 02:50 PM
Santiago
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Santiago Gigola
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Mark,

Good data. Thank you.

That makes me wonder whether it is worth changing the air filter at all since the Td5 engine was a bit more powerful than the Tdi (aproximately 135 vs 110hp), therefore I imagine that the air demandfor the Td5 would not be less than that of the Tdi. Does this make sense?

Maybe just using the K&N air filter for the Td5 engine would give me a bit more breathing at high revs?
Are K & N filters popular among off road enthusiasts in the US? Are they good for drinving in dusty roads?

Regards,
Santiago
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  #4  
Old April 22nd, 2008, 03:05 PM
Michael
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Michael
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I am no expert, but for dusty conditions use a stock air filter - it will catch smaller particles IMHO.
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  #5  
Old April 22nd, 2008, 08:44 PM
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jim pendleton
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Is your exhaust restricted?
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  #6  
Old April 23rd, 2008, 07:45 AM
Santiago
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Santiago Gigola
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I have the original Td5 exhaust, I guess it should be OK.
By the way, what air filter do you use for your 2.8 engines Pendy?
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  #7  
Old April 24th, 2008, 09:35 AM
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mark kellgren
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ditch the K&N and go original paper. K&N's are not good for diesels.
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  #8  
Old April 24th, 2008, 08:45 PM
Santiago
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Santiago Gigola
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Thanks Overlander, I will.

I was recently given the same advice by the guys on the English forum.

Cheers,
Santiago
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  #9  
Old September 19th, 2008, 04:13 PM
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Todd Miller
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why are the K&N filters not good for diesels?
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  #10  
Old September 19th, 2008, 09:30 PM
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mark kellgren
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Too porous. Diesels need very fine filtration.
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  #11  
Old September 20th, 2008, 02:24 AM
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Mike Hammond
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I've run a K&N on my 200tdi for the past 8 years with no problems. The engine oil stays clear for miles and miles after an oil change.
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