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Can filter choice affect used oil color? #4597829
12/08/17 09:08 AM
12/08/17 09:08 AM
Joined: Mar 2008
Posts: 5,941
Michigan
ZZman Offline OP
ZZman  Offline OP
Joined: Mar 2008
Posts: 5,941
Michigan
Is there proof or do you think a top end filter can make oil look cleaner(lighter in color)?


2003 Mercury Grand Marquis. Rotella T6 Multi-Vehicle oil
2008 Sebring Hardtop convertible. Rotella T6 Multi-Vehicle oil
2006 Kawasaki Vulcan 900 LT. Amsoil Metric 10w-40
Re: Can filter choice affect used oil color? [Re: ZZman] #4597835
12/08/17 09:17 AM
12/08/17 09:17 AM
Joined: Oct 2004
Posts: 7,955
Cincinnati, OH, USA
bullwinkle Offline
bullwinkle  Offline
Joined: Oct 2004
Posts: 7,955
Cincinnati, OH, USA
Not in my experience-it gets black in 5 minutes on my Cummins Ram regardless of whether it's a cheap Purolator or a $45 Fleetguard Stratapore Venturi.


06 Ram 3500 CTD 4X4(FG Venturi), 93 GMC C3500 6.2, 89 F-450 7.3, 98 XJ 4.0(XG8A), 05 xB(XG3600), 18 Transit 3.7, 03 Merc Grand Marquis 4.6 2V(XG2)
Re: Can filter choice affect used oil color? [Re: ZZman] #4597839
12/08/17 09:24 AM
12/08/17 09:24 AM
Joined: Oct 2014
Posts: 1,215
NoVA
Jimzz Offline
Jimzz  Offline
Joined: Oct 2014
Posts: 1,215
NoVA
I have never seen a filter have that much to any effect on the oil color. Oil type/additives, previous history, and motor type play the biggest things to affect that.


yup
Re: Can filter choice affect used oil color? [Re: ZZman] #4597846
12/08/17 09:37 AM
12/08/17 09:37 AM
Joined: Sep 2002
Posts: 2,247
VA
Gebo Offline
Gebo  Offline
Joined: Sep 2002
Posts: 2,247
VA
I like this question. This will be a very interesting discussion. I would think a super duper high dollar oil filter would help keep oil cleaner looking longer. Oil Cleaner Looking Longer. Say that really fast 5 times in succession.


'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 58K

Re: Can filter choice affect used oil color? [Re: ZZman] #4597874
12/08/17 10:01 AM
12/08/17 10:01 AM
Joined: Nov 2015
Posts: 337
East Tennessee
Starman2112 Offline
Starman2112  Offline
Joined: Nov 2015
Posts: 337
East Tennessee
No. Oil turns black because of heat cycles and soot. The soot is usually too small for even the finest oil filter to catch.


2010 Toyota Camry LE 2.5L, Mobil 1 AFE 0W-20, OEM filter
1998 Nissan Frontier XE 2.4L, Castrol GTX HM 5W-30, M1 filter
Re: Can filter choice affect used oil color? [Re: Starman2112] #4597961
12/08/17 11:57 AM
12/08/17 11:57 AM
Joined: Dec 2016
Posts: 6,226
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 6,226
Waco, TX
Originally Posted By: Starman2112
No. Oil turns black because of heat cycles and soot. The soot is usually too small for even the finest oil filter to catch.


Correct

Of course, this "GIMMICK" was used to sell a lot of apparatus...



"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: Can filter choice affect used oil color? [Re: ZZman] #4598002
12/08/17 12:49 PM
12/08/17 12:49 PM
Joined: Feb 2011
Posts: 6,714
Hudson, NH
LeakySeals Offline
LeakySeals  Offline
Joined: Feb 2011
Posts: 6,714
Hudson, NH
The oils that have weak cleaning and suspension additives look the cleanest, lightest throughout the OCI.


06 Escalade 6.0L LQ9 AWD 165k M1 5w30
03 Maxima 3.5L POS 152k ST HM 10w30
Re: Can filter choice affect used oil color? [Re: Starman2112] #4598052
12/08/17 01:38 PM
12/08/17 01:38 PM
Joined: May 2016
Posts: 717
Canada
i_hate_autofraud Offline
i_hate_autofraud  Offline
Joined: May 2016
Posts: 717
Canada
Originally Posted By: Starman2112
No. Oil turns black because of heat cycles and soot. The soot is usually too small for even the finest oil filter to catch.


I would have agreed years ago with statement above, but after using a pair of FilterMags and added magnets on my spin-on oil filters
and the UOA reports, it turns out the oil in a late model car with a good engine turns black due to wear metals
in the oil!

Possible exception is soot production in a diesel engine or very old vintage engines with tons of blow-by!

As to filters, I've tried every kind of spin-on filter out there, always the same, black oil in 1 month or so.

Another way to keep the oil cleaner is to do a Kerosene engine flush at the next oil change and the new oil
will look cleaner about a month longer then usual, then it turns black again. Because Kerosene and any other
commercial engine oil flushes is an astringent, you can't use it all the time, or the seals will dry out, shrink and leak.

Currently I can keep the oil amber colored/ clean for 6 months 6,000 miles with 2 FilterMags,
6 small bar magnets on the outside, 2 bar mags down the center tube, 4 small mags around the oil threads
and a big ring mag on the end! Yeah, looks a little much and I don't know if I can stuff more on it,
but I'm getting a UOA in the spring when I get to 8,226 miles and see how it compares to my last result with
6 less magnets!

Really small wear metal particles have less attractive force to the magnets as the oil flows compared to big particles
so to get the most metal out of the oil you need a lot of magnets. I started with just 1 FilterMag and upped it
a step at a time and the UOA results improve each time. Iron wear tracks with mileage for sure, almost linear
if you drive the same way. Other metals like lead and aluminum drop a bit too since there's less free iron
circulating to cause 'secondary wear'. I wish I thought of doing this in my 20's!


Check out the pics in this:

FILTERMAG vs HOMEBREW
https://app.box.com/s/uxvu8dmscf5wcgftutdm0ejqwgn86tw7

Re: Can filter choice affect used oil color? [Re: Linctex] #4598253
12/08/17 04:56 PM
12/08/17 04:56 PM
Joined: Jul 2010
Posts: 18,649
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,649
PNW
Originally Posted By: Linctex
Originally Posted By: Starman2112
No. Oil turns black because of heat cycles and soot. The soot is usually too small for even the finest oil filter to catch.

Correct

Of course, this "GIMMICK" was used to sell a lot of apparatus...



Not really a "gimmick" in a dishonest way ... it really did what you saw because that filter is super efficient. 3u at 99.63% efficiency per the SWRI testing. On a side note, guess those dudes at the SWRI have some pretty modern and accurate particle counters to get that measurement. wink

Re: Can filter choice affect used oil color? [Re: bullwinkle] #4598291
12/08/17 05:36 PM
12/08/17 05:36 PM
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Merkava_4 Offline
Merkava_4  Offline
Joined: Jan 2007
Posts: 17,501
Clovis, CA
Originally Posted By: bullwinkle
Not in my experience-it gets black in 5 minutes on my Cummins Ram regardless of whether it's a cheap Purolator or a $45 Fleetguard Stratapore Venturi.


That would drive me bonkers. I don't no how you diesel guys can stand that.


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