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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 294

United Kingdom 
Remap and mantec snorkel

Hello,

Anyone done this? I have the snorkel fitted and am hoping to have an Alive map soon. Will I massively restrict my power by having the snorkel fitted? I am looking into making a better water tight connection to the air box as well as the stock piping is impossible to seal !

Thanks

James

Post #602052 15th Feb 2017 6:29pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 2256

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue

A snorkel does cause a restriction but I doubt you would notice it. If you re do the pipework with larger diameter and have a remap then you won't notice any detrimental effect I'd have said Thumbs Up 2002 90 Td5 Hard Top
1990 Vogue SE
Triumph Tiger Explorer 1200
Defender Thread http://www.defender2.net/forum/topic50767.html
RRC Thread http://www.defender2.net/forum/topic54492.html

Post #602053 15th Feb 2017 6:32pm
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custom90steve



Member Since: 21 Jan 2010
Location: South West
Posts: 15182

England 2007 Defender 90 Puma 2.4 SW Stornoway Grey

If you remove the rain separator in the original ducting that will pretty much equalise nearly all restriction.
(But there will still be a very small amount - so little. Not enough to be of concern.)
If you replace Ducting as well it'll be around the same.

This is based on a standard tune but there is little difference to it if remapped.

I run my Safari with rain separator removed, but standard ducting.

Very little difference with or without, definitely nothing to notice. Watts รท Volts = Amps.
Amps X Volts = Watts

Post #602059 15th Feb 2017 6:48pm
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rallysteve



Member Since: 10 Feb 2014
Location: Rotherham
Posts: 713

United Kingdom 2003 Defender 110 Td5 DCPU Chawton White

I found less lag at speed after fitting my safari to the TD5. I run with the 'dump valve' fitted but think i removed the vortex on the air box inlet.

The safari section which passes through the wing is so much less restrictive than the stupid standard elbow. I ensured that i used the 300tdi version of the snorkel so i could get rid of that elbow as the newer td5/tdci model retains it.

Steve 02' 110 TD5 Double Cab

Post #602092 15th Feb 2017 8:36pm
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camelman



Member Since: 27 Feb 2013
Location: north
Posts: 1101

United Kingdom 

I'm running a southdown snorkel with a BAS 170 and you don't notice any difference. 110 USW 2.2
s3 Lightweight 1985

Post #602139 15th Feb 2017 9:57pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 7504

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey

I replaced my Mantec snorkel with a Nakatanenga top-entry snorkel and there is a very substantial improvement! The engine breathes much more freely, is more responsive, and revs higher than it did before.

Until you fit a properly-engineered large-bore sealed induction system, and the Nakatanenga snorkel is the only one I know of, you don't really appreciate how chronically restrictive the original Landrover "microbore" induction system is.

It is unlikely that the op's snorkel/RAI will make much difference since as long as the original pipe from wing to airbox is used, this is the most severely restrictive piece.

Post #602158 15th Feb 2017 10:24pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 1387

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue

That's why I build my own. Maybe not to everybodies liking but no restrictions.


Click image to enlarge


And it is steel so my 90 can lean on it:



Click image to enlarge


You can't do that with a plastic side inlet type. Mr. Green Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-now)
2003 90 Td5 (2009-now)

Want to see my cars: www.mudmachine.webklik.nl
It's in Dutch but with google translation you can have a laugh.

Post #602212 16th Feb 2017 10:28am
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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 294

United Kingdom 

Yes I like it ! Might have a go at fabricating my own as well, the mantec one is fine for a raised air intake but getting the thing to seal is very hard. I have some 4 inch exhaust pipe and a mig welder, what could go wrong ? Smile

Post #602287 16th Feb 2017 3:17pm
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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 294

United Kingdom 

Could you post a few more detailed pics for me ? Inside the engine bay would be good as well.

Post #602289 16th Feb 2017 3:18pm
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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 294

United Kingdom 

How about this for a custom airbox?



Click image to enlarge




Shocked

Post #602291 16th Feb 2017 3:21pm
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bankz5152



Member Since: 02 Feb 2017
Location: South London/North Kent
Posts: 650

2004 Defender 110 Td5 DCPU Epsom Green

I am considering fitting twin snorkels (Southdown) to my TD5 for maximum air flow, looks pretty simple to do on the TD5 airbox anyway.

Post #602405 16th Feb 2017 8:51pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 2256

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue

Welkman wrote:
How about this for a custom airbox?



Click image to enlarge




Shocked


Pretty cool steampunk looking mod! How/where will the air filter sit? 2002 90 Td5 Hard Top
1990 Vogue SE
Triumph Tiger Explorer 1200
Defender Thread http://www.defender2.net/forum/topic50767.html
RRC Thread http://www.defender2.net/forum/topic54492.html

Post #602416 16th Feb 2017 9:14pm
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 1387

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue

Some detail pics:


Click image to enlarge





Click image to enlarge




Click image to enlarge


I removed all the standard water catchers, But made my own in the wing. The pipe goes vertical through the top off the wing till just above the innerwing. The bottom has a small angle and on the lowest side I have a small pipe. The metal pipe were the red hose goes slips over sits about 2 cm above the btm. A garden hose is fitted to the small pipe and goes over the inner wing to the footwell area where I can tap the water off.
I don't have picture off the water catcher but it really works well. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-now)
2003 90 Td5 (2009-now)

Want to see my cars: www.mudmachine.webklik.nl
It's in Dutch but with google translation you can have a laugh.

Post #602444 16th Feb 2017 10:08pm
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Welkman



Member Since: 02 Nov 2014
Location: Essex colchester
Posts: 294

United Kingdom 

looks good ! I might copy your idea of the water drain fitting as well. I think I will keep mine running in through the wing plate however. What internal diameter is the snorkel and the flexihose? Thanks Smile

Post #602530 17th Feb 2017 9:42am
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roel



Member Since: 08 Aug 2009
Location: Lelystad
Posts: 1387

Netherlands 2003 Defender 90 Td5 PU Caledonian Blue

The ID is all 80mm. Except for 10 cm below the wing were the red hose is pushed over a pipe. That is 75mm id. Roel

1984 90 2.5 na Diesel - RR V8 (1994-2001)
1997 Camel Trophy Discovery 300TDI (2001-2009)
2005 G4 Discovery III 4.4 V8 (2008-now)
2003 90 Td5 (2009-now)

Want to see my cars: www.mudmachine.webklik.nl
It's in Dutch but with google translation you can have a laugh.

Post #602600 17th Feb 2017 2:37pm
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