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NAPA Gold or ? #4639898
01/19/18 01:25 PM
01/19/18 01:25 PM
Joined: Jan 2011
Posts: 2,943
PV Az
AZjeff Offline OP
AZjeff  Offline OP
Joined: Jan 2011
Posts: 2,943
PV Az
NAPA Gold oil filters have been my go-to for years. No worries about the Wix built spin-ons, don't know who makes the Toyota cartridge. The RAV4 recently went from a town runabout car to a 100 mile/day commuter car until May then 70 mile/day until whenever. Almost all 65-75 mph highway miles. No concerns about the 10K OCI or 0W-20 oil in use but wondering if there's a better filter choice. The miles are going to add up fast, we've never taken a car from new to 200K but this might be the one.

Thanks for your thoughts.


86 Samurai 1.3 leftovers
14 RAV4 2.5 5W-20 PP
16 Silverado 1500 4.3, DI, AFM 5W-30 PP

The most important thing to do in your life is to not interfere with someone else's life. - Frank Zappa

Re: NAPA Gold or ? [Re: AZjeff] #4639904
01/19/18 01:34 PM
01/19/18 01:34 PM
Joined: Jan 2018
Posts: 93
Tennessee, United States
ZraHamilton Offline
ZraHamilton  Offline
Joined: Jan 2018
Posts: 93
Tennessee, United States
Wix XP is an excellent filter. It can hold 100% more contaminants than the regular Wix/Napa Gold. Also, the synthetic fiberglass media allows it to flow the oil better.

Re: NAPA Gold or ? [Re: AZjeff] #4639909
01/19/18 01:37 PM
01/19/18 01:37 PM
Joined: Jun 2016
Posts: 2,978
MN
oil_film_movies Offline
oil_film_movies  Offline
Joined: Jun 2016
Posts: 2,978
MN
Doing 100 miles a day is perfect for using the "20,000 Mile Plan" as we'll call it.
M1 Annual Protection 20,000 Mile Oil
Fram Ultra 20,000 Mile Oil Filter

Re: NAPA Gold or ? [Re: ZraHamilton] #4639922
01/19/18 01:53 PM
01/19/18 01:53 PM
Joined: Dec 2008
Posts: 3,079
Occupied Virginia
Bottom_Feeder Offline
Bottom_Feeder  Offline
Joined: Dec 2008
Posts: 3,079
Occupied Virginia
Originally Posted By: ZraHamilton
Wix XP is an excellent filter. It can hold 100% more contaminants than the regular Wix/Napa Gold. Also, the synthetic fiberglass media allows it to flow the oil better.

No it isn't. It's known to have very poor efficiency, something like 50% at 20 microns. You can do better. Lots better.

If you want something that has excellent filtration for lots of miles and has synthetic glass media, go with a Fram Ultra,

Re: NAPA Gold or ? [Re: AZjeff] #4639929
01/19/18 02:06 PM
01/19/18 02:06 PM
Joined: Jan 2018
Posts: 93
Tennessee, United States
ZraHamilton Offline
ZraHamilton  Offline
Joined: Jan 2018
Posts: 93
Tennessee, United States
All fiberglass media is better at filtering than cellulose. Just look at fiberglass vs. cellulose under a microscope. Each pore on fiberglass is roughly 10 times smaller, but there are 10 times the number of pores, and several more layers.

If it did filter that poorly, how would they be able to sell it?

Re: NAPA Gold or ? [Re: AZjeff] #4639945
01/19/18 02:16 PM
01/19/18 02:16 PM
Joined: Sep 2008
Posts: 3,890
Southeast Texas
gfh77665 Offline
gfh77665  Offline
Joined: Sep 2008
Posts: 3,890
Southeast Texas
I heard the NAPA Platinum had 50% efficiency, while the NAPA Gold was 95+.

If so, the Platinum would load slower, allowing for faster flow and more holding capacity over time (would last longer).

Re: NAPA Gold or ? [Re: ZraHamilton] #4639951
01/19/18 02:21 PM
01/19/18 02:21 PM
Joined: May 2012
Posts: 953
Rio Rancho, NM
Pajero Offline
Pajero  Offline
Joined: May 2012
Posts: 953
Rio Rancho, NM
Originally Posted By: ZraHamilton
Wix XP is an excellent filter. It can hold 100% more contaminants than the regular Wix/Napa Gold. Also, the synthetic fiberglass media allows it to flow the oil better.


The XP is made for OEM specs, not efficiency. The XP is very well made OF. You may want to google Fram Ultra BITOG. You will learn a plethora of data you never imagined existed.



Respectfully,

Pajero!


Always remember "Planned obsolescence."

1994 Montero SR 3.5 DOHC, 133,xxx
Fram Ultra/ Snorkel with Pre-filter
K-9-Co-pilot
Re: NAPA Gold or ? [Re: AZjeff] #4639957
01/19/18 02:26 PM
01/19/18 02:26 PM
Joined: Dec 2010
Posts: 3,038
california
goodtimes Offline
goodtimes  Offline
Joined: Dec 2010
Posts: 3,038
california
Toyota Denso OE. Correct fit, factory warranty, and it's what the car came with new. Inexpensive and easy to get by the case. Set it and forget it.

Re: NAPA Gold or ? [Re: AZjeff] #4639969
01/19/18 02:34 PM
01/19/18 02:34 PM
Joined: Jan 2018
Posts: 93
Tennessee, United States
ZraHamilton Offline
ZraHamilton  Offline
Joined: Jan 2018
Posts: 93
Tennessee, United States
The xp is 99% efficient at 35 microns. It becomes more efficient with use once it picks up some particles.

Re: NAPA Gold or ? [Re: AZjeff] #4639972
01/19/18 02:37 PM
01/19/18 02:37 PM
Joined: Jan 2018
Posts: 93
Tennessee, United States
ZraHamilton Offline
ZraHamilton  Offline
Joined: Jan 2018
Posts: 93
Tennessee, United States
Also, the construction of the Wix XP is much better than the Fram Ultra.

Re: NAPA Gold or ? [Re: AZjeff] #4639998
01/19/18 02:56 PM
01/19/18 02:56 PM
Joined: Oct 2014
Posts: 11,839
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,839
Idaho
There is a large sample of venicles that exceed 300,000+ miles running oil change shop oils and filters.Too much worry, too little driving. Maintain the car and it will last as long at it is gonig to last without any Voodoo.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: NAPA Gold or ? [Re: ZraHamilton] #4640000
01/19/18 02:57 PM
01/19/18 02:57 PM
Joined: Oct 2014
Posts: 11,839
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 11,839
Idaho
Originally Posted By: ZraHamilton
Also, the construction of the Wix XP is much better than the Fram Ultra.
While not being able to give no more than opinion the coil spring seems a better design than the leaf spring in the filters.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: NAPA Gold or ? [Re: AZjeff] #4640013
01/19/18 03:04 PM
01/19/18 03:04 PM
Joined: Nov 2006
Posts: 19,910
MA, Mittelfranken.de
Trav Offline
Trav  Offline
Joined: Nov 2006
Posts: 19,910
MA, Mittelfranken.de
Never had any problems with NAPA Gold, it can go 10K easy enough.


ASE L1, Master. Deutsch Meisterbrief.
Re: NAPA Gold or ? [Re: ZraHamilton] #4640054
01/19/18 03:37 PM
01/19/18 03:37 PM
Joined: Jul 2010
Posts: 18,670
PNW
ZeeOSix Offline
ZeeOSix  Offline
Joined: Jul 2010
Posts: 18,670
PNW
Originally Posted By: ZraHamilton
The xp is 99% efficient at 35 microns. It becomes more efficient with use once it picks up some particles.

Test data says oil filters lose efficiency as they load up. Been a few treads about it.

The ISO 4548-12 test is reporting average efficiency from the new condition to a fully loaded condition, so it takes into account the decrease in efficiency over use. And not all filters exhibit the same level of efficiency loss with use. So could be a filter that has a low ISO test efficiency has a hard time retaining debris as it loads up and the delta-p increases.

99% at 35 microns is pretty much equivalent to 50% at 20 microns.

Re: NAPA Gold or ? [Re: ZeeOSix] #4640060
01/19/18 03:43 PM
01/19/18 03:43 PM
Joined: Jan 2008
Posts: 10,666
OH
SatinSilver Offline
SatinSilver  Offline
Joined: Jan 2008
Posts: 10,666
OH
Anyone know the efficiency of the ST oil filter at Walmart, made by Wix?

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