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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Nakatanenga RAI, photo of your underhood hose..
Obviously intended for those of you with this unit installed Wink

I'm installing my Nakatanenga RAI, the kind that drops directly to the filter box via the blank for left hand drives:


Click image to enlarge


Top side is obviously easy (assuming I was meant to use the short section of hose between the cyclonic hoohah and the top pipe that is ...). But underneath I'm interested to see your hose routing, it's quite tight in there, did you remove any of the foam padding on the wheel arch? (*)

At the moment I have the long section of hose, 3 larger hose clamps, sealing mastic, some longer screws with washers and a small alloy section of welded pipe that I think is intended to attach to the filter housing to the remaining hose. The hose fits around the outside dimension of the smaller end of this section so I assume the larger end will fit to the filter housing, and that's what the mastic is for and it's just a push fit??

*what is that padding even for? Solved the bowel problem, working on the consonants...


Last edited by agentmulder on 3rd Mar 2018 7:31am. Edited 1 time in total
Post #690408 3rd Mar 2018 5:16am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16808

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I'll try to get a pic later today for you.

Only the XS model has the rather pointless padded soundproofing so my vehicle didn't. The routing is self-explanatory really, there's only one way it will fit but on some vehicles (like mine) is really tight past the alternator. At some point when I have time I intend to relocate the air filter box mounting plate slightly to create more space. There seems to be a massive "build tolerance" on this!
Post #690412 3rd Mar 2018 7:10am
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Got some time this AM to install it properly.

So much easier once that sound proofing was removed Thumbs Up .

It's close to the alternator (touching the bolt), but in my case moving the box further outboard would make getting the top back on after a filter change even more of a chore so I left it as is...

Makes quite a racket over about 2.5krpm Cool Solved the bowel problem, working on the consonants...
Post #692112 9th Mar 2018 3:47am
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cartoonhead



Member Since: 02 Mar 2018
Location: Bucks
Posts: 135

United Kingdom 2015 Defender 130 Puma 2.2 HCPU Corris Grey
Just out of interest what made you choose a snorkel that goes through the blank on top of the wing rather than the side?
Post #692116 9th Mar 2018 6:12am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16808

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
agentmulder wrote:
...
Makes quite a racket over about 2.5krpm Cool


Sorry, I just remembered I never posted the photo I promised, there's probably no point now!

I love the sound mine makes, a sort-of big diesel "whup-whup-whup" on tickover and a throaty roar at speed. It is also quite surprising how much crap gets collected by the centrifugal pre-cleaner, all of which would have ended up in the air filter in a normal setup.
Post #692139 9th Mar 2018 8:58am
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16808

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
cartoonhead wrote:
Just out of interest what made you choose a snorkel that goes through the blank on top of the wing rather than the side?


In my case, in no particular order:-

1) There's a pointless hole in the top of the wing, why not use it

2) It allows a much bigger internal duct from the intake to the filter

3) It doesn't stick out sideways therefore keeping the vehicle width to a minimum whilst allowing larger bore external pipework

4) As a result it is the largest-bore and most free-flowing RAI available off the shelf

5) It has the best precleaner, allowing complete removal of the restictive thing in the air filter housing without concern

6) It looks ruggedly handsome

7) It works with or without a roll-cage

(Point 8 intentionally blank to avoid the number 8 followed by a bracket being replaced by an idiot face with sunglasses!)

9) The top of the wing is a much more logical place to take the pipework into the engine bay allowing larger pipes and a more direct route, and freeing up a useful space for other stuff behind the original intake hole.

Plus probably more reasons I used to justify the purchase to myself at the time but cant remember!

Whilst the original intake location makes a certain amount of sense for a direct intake (side facing, cool air, reasonably clean) it has absolutely no merit the moment you fit an RAI, when the ridiculously convoluted internal duct becomes a major weakness. The Nak RAI takes the most direct and shortest route from precleaner to air filter, and allows the largest diameter pipe run. Nothing else makes sense really.
Post #692143 9th Mar 2018 9:10am
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agentmulder



Member Since: 16 Apr 2016
Location: Outer Space
Posts: 1324

Kuwait 
Agree on most points above.

Although it's still a convoluted path (under the hood it does an abrupt turnaround and a half) it still manages to keep its (larger) internal diameter intact Thumbs Up

The 'fishtank' on top even after one day is showing a lot of insect material inside.

It's not quite my cup of tea aesthetics wise, but of all options it makes the most practical sense.

I'm going to adorn it with SpongeBob stickers, maybe a little pineapple inside... Laughing Solved the bowel problem, working on the consonants...


Last edited by agentmulder on 9th Mar 2018 8:41pm. Edited 1 time in total
Post #692153 9th Mar 2018 10:25am
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cartoonhead



Member Since: 02 Mar 2018
Location: Bucks
Posts: 135

United Kingdom 2015 Defender 130 Puma 2.2 HCPU Corris Grey
blackwolf wrote:
cartoonhead wrote:
Just out of interest what made you choose a snorkel that goes through the blank on top of the wing rather than the side?


In my case, in no particular order:-

1) There's a pointless hole in the top of the wing, why not use it

2) It allows a much bigger internal duct from the intake to the filter

3) It doesn't stick out sideways therefore keeping the vehicle width to a minimum whilst allowing larger bore external pipework

4) As a result it is the largest-bore and most free-flowing RAI available off the shelf

5) It has the best precleaner, allowing complete removal of the restictive thing in the air filter housing without concern

6) It looks ruggedly handsome

7) It works with or without a roll-cage

(Point 8 intentionally blank to avoid the number 8 followed by a bracket being replaced by an idiot face with sunglasses!)

9) The top of the wing is a much more logical place to take the pipework into the engine bay allowing larger pipes and a more direct route, and freeing up a useful space for other stuff behind the original intake hole.

Plus probably more reasons I used to justify the purchase to myself at the time but cant remember!

Whilst the original intake location makes a certain amount of sense for a direct intake (side facing, cool air, reasonably clean) it has absolutely no merit the moment you fit an RAI, when the ridiculously convoluted internal duct becomes a major weakness. The Nak RAI takes the most direct and shortest route from precleaner to air filter, and allows the largest diameter pipe run. Nothing else makes sense really.


All good points. I just ordered a genuine LR one (so same as Mantec) today, now questioning that decision Embarassed
Post #692218 9th Mar 2018 4:26pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Off topic but Blackwolf you can disable smileys on a post by post basis.

1)
2)
Blah)
Blah)
8)
Ta-dah!) 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #692298 9th Mar 2018 8:37pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Cool Laughing 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #692299 9th Mar 2018 8:38pm
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blackwolf



Member Since: 03 Nov 2009
Location: South West England
Posts: 16808

United Kingdom 2007 Defender 110 Puma 2.4 DCPU Stornoway Grey
I was going to say "only if you know how", but I've just spotted it! Thanks for pointing that out. Thumbs Up
Post #692334 9th Mar 2018 10:38pm
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grafty99



Member Since: 15 Aug 2012
Location: North Devon
Posts: 4784

United Kingdom 2002 Defender 90 Td5 HT Caledonian Blue
Thumbs Up 2002 90 Td5 Station Wagon
1990 Vogue SE
Triumph Tiger Explorer 1200
Td5 90 Thread http://www.defender2.net/forum/topic50767.html
Tdi 110 Thread https://www.defender2.net/forum/topic69562.html
RRC Thread http://www.defender2.net/forum/topic54492.html
Instagram http://www.instagram.com/george_grafton
Post #692338 9th Mar 2018 10:47pm
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Keith5



Member Since: 27 May 2016
Location: Scotland
Posts: 352

United Kingdom 2012 Defender 110 Puma 2.2 USW Santorini Black
AM. How did you use the parts under the wing? I'm now at the same point you describe in your first post and would be keen to have a hint or two.

Thanks Keith
Post #695618 23rd Mar 2018 9:27am
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100inch



Member Since: 15 May 2012
Location: Brunswick
Posts: 406

Australia 2010 Defender 110 Puma 2.4 CSW Santorini Black

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Installed mine yesterday. m
Post #695774 23rd Mar 2018 9:32pm
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Keith5



Member Since: 27 May 2016
Location: Scotland
Posts: 352

United Kingdom 2012 Defender 110 Puma 2.2 USW Santorini Black
Great, thank you.

That fits with what I looked at today.

Did you use the full length of the hose in the kit or shorten it to fit?

Thanks Keith
Post #695781 23rd Mar 2018 10:08pm
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