Moving Air Filters
Moving Air Filters
Author
Discussion

Siban01

Original Poster:

104 posts

209 months

Thursday 4th June 2009
quotequote all
Hi all,

If all goes to plan I will be picking up my new toy on Saturday (2003 Portofino Blue 3R) and can't wait rotate Will be my second Noble after owning a 2.5 which I sold a couple of years ago.

Starting to plan what I'm going to do to it and one of the first jobs is getting the air filters moved back to their rightful position behind your ears.

Has anyone done the move themselves or have any experience of doing this? I know a bunch of people either got the factory to do this or got their garage to move them.

Cheers.....Simon.

TuxMan

9,011 posts

267 months

Thursday 4th June 2009
quotequote all
i,m also interested in doing this mod ...problem is i don,t know WHY you do it !!!

daddysumo

2,545 posts

242 months

Thursday 4th June 2009
quotequote all
TuxMan said:
i,m also interested in doing this mod ...problem is i don,t know WHY you do it !!!


The only reason for doing this mod is for the acoustics ! yes
Simples !!

ThatPhilBrettGuy

11,810 posts

269 months

Thursday 4th June 2009
quotequote all
TuxMan said:
i,m also interested in doing this mod ...problem is i don,t know WHY you do it !!!
Why on earth would you want to do a mod that you don't know what it does.

Siban01

Original Poster:

104 posts

209 months

Thursday 4th June 2009
quotequote all
The only reason for doing this mod is for the acoustics ! yes
Simples !!
[/quote]

Exactly ! biglaugh

Now....has anyone done this themselves ???

daddysumo

2,545 posts

242 months

Thursday 4th June 2009
quotequote all
Siban01 said:
The only reason for doing this mod is for the acoustics ! yes
Simples !!


Exactly ! biglaugh

Now....has anyone done this themselves ???[/quote]

Hopefully my filters will be going back to the origional positions in the near future so my kit will be surplus to requirements.

hollowpockets

5,910 posts

245 months

Thursday 4th June 2009
quotequote all
Before I fitted the hard-pipe kit I cut and moved the front turbo's flexi pipe and bent a short piece of alloy i found in my garage, bolted it to the underside of the fuel cap as so the filter sits as close to the side vent as possible and screwed the filter onto it. Moving this one filter alone made it sound great!

As I use my car most days (and have a forge BOV now) I do prefer the filter back in the airbox with the hard-pipes on.

TuxMan

9,011 posts

267 months

Thursday 4th June 2009
quotequote all
ThatPhilBrettGuy said:
TuxMan said:
i,m also interested in doing this mod ...problem is i don,t know WHY you do it !!!
Why on earth would you want to do a mod that you don't know what it does.
exactly why i asked what it does !! i assumed that there would be a performance advantage .

hollowpockets

5,910 posts

245 months

Thursday 4th June 2009
quotequote all
TuxMan said:
ThatPhilBrettGuy said:
TuxMan said:
i,m also interested in doing this mod ...problem is i don,t know WHY you do it !!!
Why on earth would you want to do a mod that you don't know what it does.
exactly why i asked what it does !! i assumed that there would be a performance advantage .
Just sounds more whooshy

joust

14,622 posts

288 months

Friday 5th June 2009
quotequote all
My M400 was specifically modified by the factory back to the "original" position from new. Highly recommended wink

J

bernhund

3,798 posts

222 months

Friday 5th June 2009
quotequote all
Thought there was some chat about this not so long ago and moving them would lose some performance? Something to do with cooler air etc. Or did I mis understand?

noble1978

185 posts

211 months

Friday 5th June 2009
quotequote all
You misunderstood

bernhund

3,798 posts

222 months

Friday 5th June 2009
quotequote all
In that case, if I replaced my 2.5 with a 3R, I would seriously miss those noises!

ThatPhilBrettGuy

11,810 posts

269 months

Friday 5th June 2009
quotequote all
noble1978 said:
You misunderstood
You think?

Adrian W

15,493 posts

257 months

Friday 5th June 2009
quotequote all
bernhund said:
Thought there was some chat about this not so long ago and moving them would lose some performance? Something to do with cooler air etc. Or did I mis understand?
Technicaly you are probably correct, as seen in a wind tunnel no air whatsoever enters the engine bay via the holes at the front of the clam, whereas a large amount of cool air folds over the buttresses and into the position in front of the intercooler. There is an argument that by having the filters at the back you are reducing the efficiency of the i/c.

But some people like the noise.

sjc

16,397 posts

299 months

Friday 5th June 2009
quotequote all
On my 3R, I had them put in the classic position. Although it was great from a novelty factor, with a Bov as well it was borderline overkill.The first thing the guy who bought it did was to put them back in the normal 3R position. To my ears you also seemed to lose the howl of the engine at 3000rpm upwards which was a shame.If you've had the car a while and just fancy a change it's an easy cheap thing to do.........although I never seem to find anything cheap and easy............

Duke Thrust

1,680 posts

268 months

Friday 5th June 2009
quotequote all
Adrian W said:
bernhund said:
Thought there was some chat about this not so long ago and moving them would lose some performance? Something to do with cooler air etc. Or did I mis understand?
Technicaly you are probably correct, as seen in a wind tunnel no air whatsoever enters the engine bay via the holes at the front of the clam, whereas a large amount of cool air folds over the buttresses and into the position in front of the intercooler. There is an argument that by having the filters at the back you are reducing the efficiency of the i/c.

But some people like the noise.
Just a thought, but I wonder if having two large air filters in front of the intercooler would effect its efficiency?



hollowpockets

5,910 posts

245 months

Friday 5th June 2009
quotequote all
Duke Thrust said:
Adrian W said:
bernhund said:
Thought there was some chat about this not so long ago and moving them would lose some performance? Something to do with cooler air etc. Or did I mis understand?
Technicaly you are probably correct, as seen in a wind tunnel no air whatsoever enters the engine bay via the holes at the front of the clam, whereas a large amount of cool air folds over the buttresses and into the position in front of the intercooler. There is an argument that by having the filters at the back you are reducing the efficiency of the i/c.

But some people like the noise.
Just a thought, but I wonder if having two large air filters in front of the intercooler would effect its efficiency?
You didn't read his post properly now did you?

I wouldn't have though it would be a problem if travelling above say 50 anyway, I'd rather that than suck potentially (very) hot air in from directly above the engine...

node

732 posts

229 months

Friday 5th June 2009
quotequote all
sjc said:
although I never seem to find anything cheap and easy............
you should pop round to my local one night




Duke Thrust

1,680 posts

268 months

Friday 5th June 2009
quotequote all
hollowpockets said:
Duke Thrust said:
Adrian W said:
bernhund said:
Thought there was some chat about this not so long ago and moving them would lose some performance? Something to do with cooler air etc. Or did I mis understand?
Technicaly you are probably correct, as seen in a wind tunnel no air whatsoever enters the engine bay via the holes at the front of the clam, whereas a large amount of cool air folds over the buttresses and into the position in front of the intercooler. There is an argument that by having the filters at the back you are reducing the efficiency of the i/c.

But some people like the noise.
Just a thought, but I wonder if having two large air filters in front of the intercooler would effect its efficiency?
You didn't read his post properly now did you?

I wouldn't have though it would be a problem if travelling above say 50 anyway, I'd rather that than suck potentially (very) hot air in from directly above the engine...
Damn. You're right.

Er, I was busy. Ahem.