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Center tube of oil filters #4528989
09/29/17 03:03 AM
09/29/17 03:03 AM
Joined: Sep 2017
Posts: 13
USA
BlueOval83 Offline OP
BlueOval83  Offline OP
Joined: Sep 2017
Posts: 13
USA
Hi guys. Iíve been hearing a lot of things around the forums about the center tubes of oil filters and the small openings in them. Iíve heard how louvered center tubes are bad in oil filters and how non louvered center tubes are a lot better. My question is why are non louvered center tubes better then louvered ones? Iíve seen several brands that run louvered center tubes and havenít noticed any issues. Iíve seen them in amsoil, baldwin, hastings, purolater, royal purple and a few other brands. I really only see the non louvered ones on fram and wix. Why is that? Why would companies switch to louvered if they are so bad?


08 Ford Fusion 2.3L I4
Re: Center tube of oil filters [Re: BlueOval83] #4528993
09/29/17 03:26 AM
09/29/17 03:26 AM
Joined: Aug 2006
Posts: 9,804
Central Washington
Colt45ws Offline
Colt45ws  Offline
Joined: Aug 2006
Posts: 9,804
Central Washington
poppycock perpetrated by knowitalls. Dont worry about it.


-Colton
2002 Ford Crown Vic PI 207k, Ex-Kootenai County, ID Unit #42
Down for engine swap
2003 Ford Crown Vic PI 75k
Castrol EDGE HM 5W30, Fram XG2
Re: Center tube of oil filters [Re: BlueOval83] #4529005
09/29/17 04:23 AM
09/29/17 04:23 AM
Joined: Jul 2010
Posts: 18,691
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,691
PNW
Louvers are fine IF they are opened up correctly. There have neen lots of photos posted of louvers that were barely cracked open, which could restrict flow. Always inspect filters with louvers to ensure they are opened a decent amount. Forming louvers shouldn't be rocket science, but seems it is for a few companies.

Re: Center tube of oil filters [Re: ZeeOSix] #4529054
09/29/17 06:30 AM
09/29/17 06:30 AM
Joined: Feb 2014
Posts: 1,714
Texas
Dallas69 Offline
Dallas69  Offline
Joined: Feb 2014
Posts: 1,714
Texas
I think louvers are easier to manufacture than punching a hole.


2009 Galant-ultra oil and filter
1987 Ford F-150 302
Smittys 5-30
Motorcraft filter
Re: Center tube of oil filters [Re: Dallas69] #4529059
09/29/17 06:38 AM
09/29/17 06:38 AM
Joined: Sep 2010
Posts: 6,995
Texas
4WD Offline
4WD  Offline
Joined: Sep 2010
Posts: 6,995
Texas
Seems it would produce less debris in the machine doing the perforations - and these "donut holes" drifting everywhere you don't want them to be ...

Re: Center tube of oil filters [Re: BlueOval83] #4529078
09/29/17 07:02 AM
09/29/17 07:02 AM
Joined: Dec 2003
Posts: 9,801
Florida, Cape Coral
Eddie Offline
Eddie  Offline
Joined: Dec 2003
Posts: 9,801
Florida, Cape Coral
+1 on the donut holes which is another manufacturing step that can cause issues. Ed


CX5 Touring 2.5L :-)
Re: Center tube of oil filters [Re: BlueOval83] #4529097
09/29/17 07:29 AM
09/29/17 07:29 AM
Joined: Oct 2008
Posts: 12,471
The Old North State
Sayjac Offline
Sayjac  Offline
Joined: Oct 2008
Posts: 12,471
The Old North State
I too would think louvered centertubes are less expensive to produce. Baldwin/Hastings been doing louvers right for some time.

And unfortunately in past, false or mis-information has been posted about the louvered center tube design on this sub forum. Fortunately now, in my observation that has become much less prevalent.

Re: Center tube of oil filters [Re: Colt45ws] #4529118
09/29/17 08:03 AM
09/29/17 08:03 AM
Joined: Aug 2013
Posts: 2,531
Central Maryland
HangFire Offline
HangFire  Offline
Joined: Aug 2013
Posts: 2,531
Central Maryland
Originally Posted By: Colt45ws
poppycock perpetrated by knowitalls. Dont worry about it.

This.


Various musings: http://hangfire.net
Re: Center tube of oil filters [Re: BlueOval83] #4529271
09/29/17 10:24 AM
09/29/17 10:24 AM
Joined: Oct 2005
Posts: 7,094
Colorado
Kuato Offline
Kuato  Offline
Joined: Oct 2005
Posts: 7,094
Colorado
Definitely easier to manufacture, and slows flow to reduce pressure on the media maybe?


Thick vs Thin test: 15k / 43k miles complete
Re: Center tube of oil filters [Re: Dallas69] #4529284
09/29/17 10:35 AM
09/29/17 10:35 AM
Joined: Jul 2010
Posts: 18,691
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,691
PNW
Originally Posted By: Dallas69
I think louvers are easier to manufacture than punching a hole.

It seems forming metal to the correct shape is harder than punching out holes for some filter makers. And manufacturing consistency can vary from the same maker, call it bad QA. I'll post some example pix later.

Re: Center tube of oil filters [Re: BlueOval83] #4529356
09/29/17 11:59 AM
09/29/17 11:59 AM
Joined: May 2009
Posts: 12,192
N.H, U.S.A.
ARCOgraphite Offline
ARCOgraphite  Offline
Joined: May 2009
Posts: 12,192
N.H, U.S.A.
Then you have these Nissan OEM filters with NO room for oil to move around the end cap to get to the filter. This "design" Blew my new engine on my new versa note 3 years ago. Nice Jobs beancuter ding bats - and the engineer that signed off ( his/her had was likely FORCED by Mgmt).

Now I run the M1 Ep 110A

!NO Hay Problema!



2014 Nissan Rogue S CVT, OC#9 41392mi-QSUD10W30 + M110A CHAMP Filter; 2017 Subaru Crosstrek CVT OC#2 ?? mi-SOA/Idemitsu 0w20 + SOA Filter
Re: Center tube of oil filters [Re: BlueOval83] #4529429
09/29/17 01:39 PM
09/29/17 01:39 PM
Joined: Jul 2010
Posts: 18,691
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,691
PNW
Always inspect the louvers to make sure they are opened up a decent amount. I've seen quite a few with nearly closed louvers as shown below.

Good Louvers






Bad Louvers



These louvers aren't even opened up ... they are just "bumps".





Re: Center tube of oil filters [Re: BlueOval83] #4529445
09/29/17 02:09 PM
09/29/17 02:09 PM
Joined: Feb 2013
Posts: 422
Nevada, USA
gaijinnv Offline
gaijinnv  Offline
Joined: Feb 2013
Posts: 422
Nevada, USA
All this discussion of louvers gives me more confidence in the Toyota TRD filters I use:





HTH


USN NAVSECGRU 1970-1974
Re: Center tube of oil filters [Re: ZeeOSix] #4529454
09/29/17 02:21 PM
09/29/17 02:21 PM
Joined: Sep 2017
Posts: 13
USA
BlueOval83 Offline OP
BlueOval83  Offline OP
Joined: Sep 2017
Posts: 13
USA
ZeeOSix, what filter is that with the good louvers?


08 Ford Fusion 2.3L I4
Re: Center tube of oil filters [Re: BlueOval83] #4529553
09/29/17 04:27 PM
09/29/17 04:27 PM
Joined: Jul 2010
Posts: 18,691
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,691
PNW
Originally Posted By: BlueOval83
ZeeOSix, what filter is that with the good louvers?


Not sure ... those photos were posted in this forum and I saved them for examples of good vs bad louvers.

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