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#4627091 - 01/07/18 03:41 PM Ecotec 5.3 oil filter bypass PSI discussion
04SE Offline


Registered: 05/04/07
Posts: 912
Loc: IL
The 5.3 GDI L83 in my 2014 Silverado has a variable displacement oil pump and per GM requires a high PSI bypass oil filter:

Originally Posted By: GM

Today's engine has very tight tolerances, two stage oil pumps and high flow lubrication system requirements. The proper match of oil filter to engine application is more important than it has ever been in the past. The use of a replacement oil filter with an internal bypass valve opening pressure specifications of 15 PSI (100 kPa) or less, allows debris to circulate in the engine causing damage to bearings and other tight tolerances areas, which may result in premature engine failure.

The oil pressure was increased to accommodate these tighter tolerances. As a result, the oil filter specifications of the production oil filter and the service oil filter were also improved to meet the new engine requirements.

Beginning in 2012, the oil pumps began to regulate main gallery feedback instead of pump out pressure. This means that the oil pump now does not begin to regulate until pressure is built up to the main gallery. This change reduces the amount of time it takes to provide oil to the engine bearing and lifters during extreme cold start conditions.

Main gallery feedback oil pump control systems are present on the following engine families which use Spin-on oil filters: Small Gas Engine (SGE), Large Gas Engine (LGE), High Feature (HFV6) Gen2 and Small Block Gen5 gasoline engines. These engines with the main gallery feedback oil pump control systems are factory built with an ACDelcoŽ oil filters.

Important: The PF64 and PF63, which is commonly confused by many in the automobile service industry as an ACDelcoŽ PF48 and/or PF48E , because both oil filters have the same appearance and oil can size. However these oil filters are not the same and have different internal bypass valve opening pressure specifications (PF48/PF48E = 15 PSI (100 kPa), PF64/PF63E = 22 PSI (150 kPa).

Note: Any aftermarket filter must also have an internal bypass valve opening pressure specification, element integrity, filtration performance, media particle trap specification and burst strength that is equivalent to the ACDelco PF64/PF63E filters.



The following filters are recommended for my truck by the filter manufacturer with their bypass setting listed:

Wix 50745 - 12-15 PSI
Fram PH10575 - 9-15 PSI
Mobil 1 M1212A - unknown bypass rating
Purolator L22500 - 22 PSI
Bosch 3502 - 15.5 PSI

Now, if you take the Fram PH10575 and cross this filter into the Wix website it gives you Wix 57502 and magically the 57502 has a 22 PSI bypass but is NOT the recommended Wix filter for my truck. Crossing the Purolator L22500 yields the Wix 57502 as well. Fram seems to point at the PH10575 no matter what cross you try.

GM claims you need 15 PSI bypass minimum and the GM filter even runs higher at 22 PSI.

What filter would you run and why?

Why would GM spec the PF63E at 22 PSI but then allow replacement filters to be 15 PSI?
_________________________
Life's little problems can be solved with a shovel and silence.

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#4627116 - 01/07/18 03:53 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
I was wondering about this also. I run the Fram XG10575 in my `16 Suburban L83. I also have some Wix 50745 in stock I haven't run yet. Can't bring myself to use an e-core.

Can a PF64 be used in place of a PF63E?
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
-Amsoil 5w-20 SS
16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4627125 - 01/07/18 03:57 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
clinebarger Offline


Registered: 12/19/13
Posts: 1900
Loc: Fort Worth, Texas
Originally Posted By: 04SE


Why would GM spec the PF63E at 22 PSI but then allow replacement filters to be 15 PSI?



What does GM have to do with aftermarket filters?
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4627134 - 01/07/18 04:02 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
Does that mean I should be running a PF64 on my wifes 2012 Covette Grand Sport with an LS3 or the PF48 like I am running?
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
-Amsoil 5w-20 SS
16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4627138 - 01/07/18 04:09 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: zfasts03]
clinebarger Offline


Registered: 12/19/13
Posts: 1900
Loc: Fort Worth, Texas
Originally Posted By: zfasts03
Does that mean I should be running a PF64 on my wifes 2012 Covette Grand Sport with an LS3 or the PF48 like I am running?


No, LS3's have standard oil pumps, PF48 is the correct filter for your car.
_________________________
2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/Auto

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#4627180 - 01/07/18 04:45 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: clinebarger]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
okay thanks
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
-Amsoil 5w-20 SS
16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4627312 - 01/07/18 06:43 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
zfasts03 Offline


Registered: 07/21/08
Posts: 251
Loc: Bucks, PA
Note: Any aftermarket filter must also have an internal bypass valve opening pressure specification, element integrity, filtration performance, media particle trap specification and burst strength that is equivalent to the ACDelco PF64/PF63E filters.

Strong statement! I wonder why we are not hearing of any problems with aftermarket filters with lower relief valve opening pressures in real world use.
_________________________
03 Corvette Z06
-Amsoil 5w-30 SS
07 Honda Accord 2.4L
-Amsoil 5w-20 SS
16 Suburban 5.3L
-M1 0w-20, XG10575
18 4Runner TRD Off Road
- Factory Fill

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#4627319 - 01/07/18 06:53 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: zfasts03]
04SE Offline


Registered: 05/04/07
Posts: 912
Loc: IL
Originally Posted By: zfasts03
Note: Any aftermarket filter must also have an internal bypass valve opening pressure specification, element integrity, filtration performance, media particle trap specification and burst strength that is equivalent to the ACDelco PF64/PF63E filters.

Strong statement! I wonder why we are not hearing of any problems with aftermarket filters with lower relief valve opening pressures in real world use.


Hence this thread in the hopes of some good discussion.
_________________________
Life's little problems can be solved with a shovel and silence.

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#4627374 - 01/07/18 07:44 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
Realtech214 Offline


Registered: 02/01/13
Posts: 707
Loc: Florida
I have used ONLY Napa Gold 7045 (same as wix 57045) on my L83 since day one. Im at 79,000 miles now and never heard of this before. Im not too worried about it!
_________________________
2015 Silverado Crew Cab 5.3 LT 90K miles
2001 Suburban LT 145K miles
- - - - - -
- I NEVER THOUGHT I WOULD LIKE OIL SO MUCH -

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#4627397 - 01/07/18 07:58 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
JeePing Offline


Registered: 08/10/06
Posts: 114
Loc: Kentucky
I done see any filter going into bypass mode all that often. It would have to be fairly plugged up for it to be bypassing or the gpm are supper high. Would be nice to know flow rate on ecotec's veriable displacemet pump. I have same motor I'm my gmc as well.
_________________________
If it an't broke, take it a part and see why not.

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#4627404 - 01/07/18 08:02 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
BufordTJustice Offline


Registered: 11/17/16
Posts: 69
Loc: Middle Florida
Having owned several Subarus (and having dealt with high bypass pressure filter requirements in all of those, here is how I understand it based on posts from a few here and a few phone calls with Fram Tech Dept:

The bypass pressure of a filter represents the DIFFERENCE in pressure between the clean and dirty sides of the filter media; the restriction of the media to the oil flow. And synthetic filter media such as Fram Ultra, Wix XP, Amsoil EaO, Royal Purple, etc offer significantly less restriction to flow for the same beat ratio/efficiency than cellulose or hybrid cellulose/syn fiber media. What I was told by Fram Tech for my subarus was that the Fram Ultra has enough flow capability to seldom go into bypass even with cold conventional oil.

As long as syn media is being used, I have a difficult time seeing this being a huge issue, though the disclosure is welcome coming from GM as a preemptive measure NOW and not an "ooops" five years from now.
_________________________
1999 Porsche 911 Cab 3.4 6-speed -> Mobil Delvac-1 5w-40 ESP (CJ4) -> Fram Ultra XG3675

2011 Subaru Outback 3.6R -> M1 0w-40 FS -> Fram Ultra XG3593A

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#4627420 - 01/07/18 08:12 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
Garak Offline


Registered: 12/05/09
Posts: 24574
Loc: Regina, Saskatchewan, Canada
Originally Posted By: 04SE
Now, if you take the Fram PH10575 and cross this filter into the Wix website it gives you Wix 57502 and magically the 57502 has a 22 PSI bypass but is NOT the recommended Wix filter for my truck. Crossing the Purolator L22500 yields the Wix 57502 as well. Fram seems to point at the PH10575 no matter what cross you try.

This is the danger of cross referencing. When it comes to Wix, they make two or more filters in some cases that are covered by one part number by other manufacturers. Wix clearly sees a difference, for instance, between the 51358 and the 51365, and the 57356 versus the 51356. My preference, when there are things like this in doubt, would be go to with Wix or OEM, AC in this case.

As for comparing bypass from one filter to another, that is problematic.
_________________________
Plain, simple Garak.

2008 Infiniti G37 - Shell ROTELLA T6 Multi-Vehicle 5w-30, NAPA Gold 7356
1984 F-150 4.9L - Quaker State GB 10w-30, Wix 51515

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#4627427 - 01/07/18 08:14 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
JeePing Offline


Registered: 08/10/06
Posts: 114
Loc: Kentucky
Buford I completely agree. There is very soldem filter will bypass. I think most people don't understand that it's the difference between filter inlet and filter outlet. Also I think GM is pushing thier filters a bit too hard too.
If someone comes up with a way to test filter's bypass I wouldn't mind testing it.
_________________________
If it an't broke, take it a part and see why not.

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#4627431 - 01/07/18 08:16 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: 04SE]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: 04SE
What filter would you run and why?


Fram XG10575

Efficient, Well made and no known failures.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4627435 - 01/07/18 08:19 PM Re: Ecotec 5.3 oil filter bypass PSI discussion [Re: zfasts03]
Linctex Offline


Registered: 12/31/16
Posts: 6148
Loc: Waco, TX
Originally Posted By: zfasts03

Strong statement! I wonder why we are not hearing of any problems with aftermarket filters with lower relief valve opening pressures in real world use.


Because.....

THIS statement is really a glorified old wive's tale, and nothing more that that. (proven false in real life)
"The use of a replacement oil filter with an internal bypass valve opening pressure specifications of 15 PSI (100 kPa) or less, allows debris to circulate in the engine causing damage to bearings and other tight tolerances areas, which may result in premature engine failure"

Yeah, right....... it never really happens.
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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