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Ditching the OEM intake on a turbo diesel engine #4669333
02/18/18 07:38 AM
02/18/18 07:38 AM
Joined: Apr 2015
Posts: 423
Reunion Island
Superflan Offline OP
Superflan  Offline OP
Joined: Apr 2015
Posts: 423
Reunion Island
Hi,

the air filter on the Koleos is due for replacement (power cut in "high" revs (3000+)). Since we will not sell this car and I like custom things, I'm wondering if it could be an issue if I ditch the factory airbox and inlet tract to put some aftermarket washable filter in place. See the picture :



I recognize it's a fantasy but could it have negative effects that I'm not aware of ? boost threshold is as low as 1700rpm.

I'm leaning towards silicon or metal inlet tract, and a dual-stage foam filter.


Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669343
02/18/18 07:51 AM
02/18/18 07:51 AM
Joined: Mar 2013
Posts: 5,047
The Midwest
skyactiv Offline
skyactiv  Offline
Joined: Mar 2013
Posts: 5,047
The Midwest
Your wasting time and money for no benefit.


Wife: 15' Audi A4 quattro 6 speed manual
Me: 13' VW GTI 3 door 6 speed manual
Wanted: 2019 Ford Ranger
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669344
02/18/18 07:51 AM
02/18/18 07:51 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
If there's black smoke look for a boost leak, if there's no smoke check fuel pump&filter.


Cable ties should hold it
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669345
02/18/18 07:53 AM
02/18/18 07:53 AM
Joined: Nov 2006
Posts: 20,609
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 20,609
MA, Mittelfranken.de
Total waste of time, money and effort IMHO.


ASE L1, Master. Deutsch Meisterbrief.
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669355
02/18/18 08:01 AM
02/18/18 08:01 AM
Joined: May 2015
Posts: 951
Frogland / Brittany / Canada
Popsy Offline
Popsy  Offline
Joined: May 2015
Posts: 951
Frogland / Brittany / Canada
Don't, just don't, especially on this engine. Well, it could work perfectly, but you won't gain much if anything smile


96 Barchetta, 300V 5W40 | Forfour 95, SHU 0W40
Mazda 6 2.3, M1 0W40 | Colt Ralliart, 300V 0W40
Re: Ditching the OEM intake on a turbo diesel engine [Re: Popsy] #4669363
02/18/18 08:07 AM
02/18/18 08:07 AM
Joined: Apr 2015
Posts: 423
Reunion Island
Superflan Offline OP
Superflan  Offline OP
Joined: Apr 2015
Posts: 423
Reunion Island
Originally Posted By: skyactiv
Your wasting time and money for no benefit.

I understand that there will be no performance benefit wink personal aesthetics.

Originally Posted By: Olas
If there's black smoke look for a boost leak, if there's no smoke check fuel pump&filter.

The filter is just clogged. If I remove the filter, there's no cut. I do this test everytime to know if the filter is due for replacement (20000 km).

Originally Posted By: Trav
Total waste of time, money and effort IMHO.

I hear you.

Originally Posted By: Popsy
Don't, just don't, especially on this engine. Well, it could work perfectly, but you won't gain much if anything smile


What's the concern about this engine ?


Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669393
02/18/18 08:29 AM
02/18/18 08:29 AM
Joined: May 2015
Posts: 951
Frogland / Brittany / Canada
Popsy Offline
Popsy  Offline
Joined: May 2015
Posts: 951
Frogland / Brittany / Canada
Here they have a reputation for going through air sensor and turbo quickly, but my guess is poor maintenance (I think OEM recommendation have very long OCI). Some cracked head reports too, from time to time, but mostly on early engines.

(this is to be taken with a grain of salt, on forums or car magazines most of the time you only see the worst, and not the perfectly happy users with perfectly running engine haha)


96 Barchetta, 300V 5W40 | Forfour 95, SHU 0W40
Mazda 6 2.3, M1 0W40 | Colt Ralliart, 300V 0W40
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669453
02/18/18 09:03 AM
02/18/18 09:03 AM
Joined: Dec 2011
Posts: 1,750
War Eagle
toneydoc Offline
toneydoc  Offline
Joined: Dec 2011
Posts: 1,750
War Eagle
That filter gets clogged quickly at 20k km
Do you live in that dirty of an environment?
My filters go a lot longer than that


1994 Jeep 161k Castrol Synblend 10w30
2014 Camry 36k Havoline 5w20
2018 Jeep Cherokee 3k FactFill
2014 HD Ultra 42k Mobil1 15w50
2012 Rav4 39k Mobil 1 0w20
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669454
02/18/18 09:04 AM
02/18/18 09:04 AM
Joined: Dec 2011
Posts: 1,750
War Eagle
toneydoc Offline
toneydoc  Offline
Joined: Dec 2011
Posts: 1,750
War Eagle
Where is Reunion Island?


1994 Jeep 161k Castrol Synblend 10w30
2014 Camry 36k Havoline 5w20
2018 Jeep Cherokee 3k FactFill
2014 HD Ultra 42k Mobil1 15w50
2012 Rav4 39k Mobil 1 0w20
Re: Ditching the OEM intake on a turbo diesel engine [Re: toneydoc] #4669489
02/18/18 09:35 AM
02/18/18 09:35 AM
Joined: Apr 2015
Posts: 423
Reunion Island
Superflan Offline OP
Superflan  Offline OP
Joined: Apr 2015
Posts: 423
Reunion Island
Originally Posted By: toneydoc
That filter gets clogged quickly at 20k km
Do you live in that dirty of an environment?
My filters go a lot longer than that


Yep, really dirty. See that post : Rate My Filter

Originally Posted By: toneydoc
Where is Reunion Island?


Here : Reunion Island Google Maps


Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
Re: Ditching the OEM intake on a turbo diesel engine [Re: toneydoc] #4669502
02/18/18 09:43 AM
02/18/18 09:43 AM
Joined: Dec 2016
Posts: 7,204
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,204
Waco, TX
Originally Posted By: toneydoc
Where is Reunion Island?


Réunion Island, a French department in the Indian Ocean, is known for its volcanic, rainforested interior, coral reefs and beaches. Its most iconic landmark is Piton de la Fournaise, a climbable active volcano standing 2,632m (8,635 ft.). Piton des Neiges, a massive extinct volcano, and Réunion’s 3 calderas (natural amphitheaters formed by collapsed volcanoes), are also climbing destinations.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Ditching the OEM intake on a turbo diesel engine [Re: Linctex] #4669509
02/18/18 09:48 AM
02/18/18 09:48 AM
Joined: Apr 2015
Posts: 423
Reunion Island
Superflan Offline OP
Superflan  Offline OP
Joined: Apr 2015
Posts: 423
Reunion Island
Originally Posted By: Linctex
Originally Posted By: toneydoc
Where is Reunion Island?


Réunion Island, a French department in the Indian Ocean, is known for its volcanic, rainforested interior, coral reefs and beaches. Its most iconic landmark is Piton de la Fournaise, a climbable active volcano standing 2,632m (8,635 ft.). Piton des Neiges, a massive extinct volcano, and Réunion’s 3 calderas (natural amphitheaters formed by collapsed volcanoes), are also climbing destinations.


Have you been there ?



Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669519
02/18/18 09:56 AM
02/18/18 09:56 AM
Joined: Dec 2013
Posts: 3,989
Manchester, England
Olas Offline
Olas  Offline
Joined: Dec 2013
Posts: 3,989
Manchester, England
The majority of aftermarket filters are less efficient than factory paper filters so cause more damage to turbo, bores, rings etc.
If your filter is clogging too quickly then the best solution would be to use an air filter & housing with more surface area to allow greater life.

If you insist on an aftermarket intake look at ITG who make various different combinations of airflow/filtration in all of their products. http://itgairfilters.com/page/foam-specifications/

Last edited by Olas; 02/18/18 10:00 AM.

Cable ties should hold it
Re: Ditching the OEM intake on a turbo diesel engine [Re: Olas] #4669567
02/18/18 10:37 AM
02/18/18 10:37 AM
Joined: Apr 2015
Posts: 423
Reunion Island
Superflan Offline OP
Superflan  Offline OP
Joined: Apr 2015
Posts: 423
Reunion Island
Originally Posted By: Olas
If you insist on an aftermarket intake look at ITG who make various different combinations of airflow/filtration in all of their products. http://itgairfilters.com/page/foam-specifications/


What about aFe Power ?


Peugeot Partner 1.9 D, 5W40 C3, 245000 Km, running on WVO
Wife's Mitsubishi Outlander PHEV, dealer’s overfilled, 16000 Km
Re: Ditching the OEM intake on a turbo diesel engine [Re: Superflan] #4669599
02/18/18 10:59 AM
02/18/18 10:59 AM
Joined: Nov 2011
Posts: 4,979
MTL, CANADA
Rolla07 Offline
Rolla07  Offline
Joined: Nov 2011
Posts: 4,979
MTL, CANADA
Just swap out the factory filter more often.


2007 Corolla Red Pearl 155k miles
PP 0w20 & ST 4967

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