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#1077557 - 02/02/08 10:58 AM napa gold oil filters
turboaccord1 Offline


Registered: 02/01/08
Posts: 87
Loc: NC
how do napa gold oil filters perform up against a similar priced oil filter.
_________________________
1994 Honda Accord ex
1989 Dodge Caravan
2003 Honda Accord ex v6
2006 Acura rsx type-s
2004 Grand Cherokee Limited 4.7HO

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#1077561 - 02/02/08 11:06 AM Re: napa gold oil filters [Re: turboaccord1]
zrxkawboy Online   content


Registered: 11/30/04
Posts: 1005
Loc: SD
They are the same as a WIX. Excellent quality filter!
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"Think of all the Ford owners who will someday want an automobile." John Dodge


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#1077580 - 02/02/08 11:28 AM Re: napa gold oil filters [Re: zrxkawboy]
ChiTDI Offline


Registered: 12/19/03
Posts: 2057
Loc: Chicago IL
Great.

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#1077627 - 02/02/08 12:34 PM Re: napa gold oil filters [Re: ChiTDI]
cmhj Offline


Registered: 10/20/06
Posts: 1169
Loc: SE Pa
Napa Gold, which is a Wix product, is likely one of if not the best conventional filter out there.
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No PC fees paid out to Amsoil dealers from me! NEVER EVER!!!

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#1077693 - 02/02/08 02:53 PM Re: napa gold oil filters [Re: cmhj]
Eddie Offline


Registered: 12/07/03
Posts: 6658
Loc: Florida, Cape Coral
In SW Florida I can buy the WIX for 20 cents less than a NAPA Gold so I buy the wix.


Edited by Eddie (02/02/08 02:53 PM)
Edit Reason: spelling
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#1081891 - 02/08/08 12:52 PM Re: napa gold oil filters [Re: Eddie]
63Avanti Offline


Registered: 11/15/05
Posts: 338
Loc: North Texas
I switch between Wix and NAPA "GOLD" depending on price, as they are the same. I buy enough for 4 changes on all my vehicles from http://www.fleetfilter.com Major savings.

Occasionally, PureOne comes on a ridiculously low price sale and I load up on those also. But I am a Wix (NAPA Gold) person.
_________________________
it is "mileage" not "milage"
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#1081908 - 02/08/08 01:26 PM Re: napa gold oil filters [Re: 63Avanti]
MADMIKE Offline


Registered: 02/14/05
Posts: 645
Loc: RHODE ISLAND
As far as filtration efficiency goes they're generally only average (they don't provide ultra-fine filtration like Amsoil EaO, PureOne, Mobil-1) but as far as construction quality goes they're as good or better than anything else out there.

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#1082241 - 02/08/08 09:24 PM Re: napa gold oil filters [Re: MADMIKE]
turboaccord1 Offline


Registered: 02/01/08
Posts: 87
Loc: NC
where is it stated that wix/napa gold filters are less efficient than amsoil, pureone, mobil-1?
_________________________
1994 Honda Accord ex
1989 Dodge Caravan
2003 Honda Accord ex v6
2006 Acura rsx type-s
2004 Grand Cherokee Limited 4.7HO

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#1082641 - 02/09/08 06:12 PM Re: napa gold oil filters [Re: turboaccord1]
FordSVT Offline


Registered: 02/01/08
Posts: 46
Loc: Florida
 Originally Posted By: turboaccord1
where is it stated that wix/napa gold filters are less efficient than amsoil, pureone, mobil-1?


To my knowledge Amsoil Oil Filters are the best you can buy.

But arent Amsoil/Napa/WIX made by the same company????

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#1082661 - 02/09/08 06:47 PM Re: napa gold oil filters [Re: FordSVT]
Gary Allan Offline


Registered: 09/28/02
Posts: 39806
Loc: Pottstown, PA
SOME EAO's are made by Wix.
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#1083587 - 02/11/08 05:34 AM Re: napa gold oil filters [Re: Gary Allan]
dnewton3 Offline



Registered: 05/14/07
Posts: 5570
Loc: Indianapolis, IN
Wix/Napa Gold are a decent filter, and when purchased through FleetFilter, they are a smokin' deal! Their construction is quite good; their filter media is reasonable, but not outstanding.

I do believe there are "better" filters as far as actual filtration levels, such as EAO's to name one. However, I've NEVER seen nor heard of use of a Wix filter, failing to provide enough filtration or flow, resulting in an engine failure.

There are really only two acceptable choices for engine lubrication maintenance schedules; routine, or extended. Choose your desired method and base your product selection on the method.

To that end, Wix filters used with routine O/Fci's at say 5k mile intervals (possibly up to 10k mile intervals) do a fine job.

If you desire to stretch past 10k miles, your whole stategy should change from "routine" O/Fci's to extended OCI's, preferably with bypass filtration.
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

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#1085562 - 02/13/08 08:56 PM Re: napa gold oil filters [Re: Gary Allan]
Olive1465 Offline


Registered: 09/27/07
Posts: 61
Loc: nc
I use napa gold(wix)in all our cars

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#1086528 - 02/15/08 07:32 AM Re: napa gold oil filters [Re: dnewton3]
Titan Offline


Registered: 10/04/05
Posts: 2329
Loc: Morgan, UT
 Originally Posted By: dnewton3
Wix/Napa Gold are a decent filter, and when purchased through FleetFilter, they are a smokin' deal! Their construction is quite good; their filter media is reasonable, but not outstanding.

I do believe there are "better" filters as far as actual filtration levels, such as EAO's to name one. However, I've NEVER seen nor heard of use of a Wix filter, failing to provide enough filtration or flow, resulting in an engine failure.

There are really only two acceptable choices for engine lubrication maintenance schedules; routine, or extended. Choose your desired method and base your product selection on the method.

To that end, Wix filters used with routine O/Fci's at say 5k mile intervals (possibly up to 10k mile intervals) do a fine job.

If you desire to stretch past 10k miles, your whole stategy should change from "routine" O/Fci's to extended OCI's, preferably with bypass filtration.



I routinely run a WIX filter in both of my Subaru's for 15,000 miles at a time. UOA's come back with insoluables at 0.2. In this case, it obviously performs in a stellar manner. If I put on enough miles per year, they might do just as well for 30,000 miles...but, I no longer drive either Subaru that far per year, so, I'll never know, as I'll change the filter out once every two years regardless of mileage.
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The terms "dino,synthetic,blend,conventional" are marketing derived; not scientific.

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#1088456 - 02/18/08 12:23 PM Re: napa gold oil filters [Re: turboaccord1]
63Avanti Offline


Registered: 11/15/05
Posts: 338
Loc: North Texas
 Originally Posted By: turboaccord1
where is it stated that wix/napa gold filters are less efficient than amsoil, pureone, mobil-1?

Definitely not according to publicly available data. see http://systems-engineeringing-associates.com/papers , look under "avocation"
_________________________
it is "mileage" not "milage"
*cure for common mid-life crisis*

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#1088483 - 02/18/08 01:10 PM Re: napa gold oil filters [Re: 63Avanti]
dnewton3 Offline



Registered: 05/14/07
Posts: 5570
Loc: Indianapolis, IN
I would caution some assumptions here regarding UOA's and insolubles.

I don't believe there is a direct connection between insoluble percentage and filtration. Particle counts are a much more direct way to analyze a filter.

The reason I say this is I've collected over 100 UOAs for diesel engines from this site. I am have an ongoing study comparing the results of UOAs for engines with traditional Full Flow filtration, to that of Bypass Filtration.

We would all likely agree that BP filtration captures particulate down to a much finer size compared to a traditional FF system; that's the whole point, right? But look at the insoluble percentages for most any UOA (diesel or gas, for that matter) and you'll see somewhere between .2% to .6% for nearly all engines, with nearly any brand of FF filter, with or without BP filters. You can concieveably see a BP filterd system have insolubles in the .5 range, and a FF-only system post up a .3 for insolubles. Common sense and particle count analysis would show that the contamination is better controlled with the BP system for sure. What seems to have more influence on the insolubles is the duration of the OCI, not the type of filtration system. I have read FF Fram filters posting insoluble percentages right along with FS2500 bypass systems.

While there might be some indirect relationship, it would be difficult to prove, and I've run the statistical analysis just about every way I can to try and find it.

Particle counts give relative sizes of contamination for a rated occurence rate (hence the beta ratio). There are several types of PC methods as well; all have pros and cons.

Insoluble ratings on a UOA give a percentage of presence, but no indication of size.

What I'm saying is that you're looking for a link between filter performance and insolubles that doesn't directly exist. They are each a part of the puzzle, but neither one can solve the equation on it's own merit.

Of note: oddly, I often see Blackstone make comments about good filtration and insolbules, but I have yet to find the correlation statistically. I think it's more of a false presumption than a reality.
_________________________
Conventionals vs. Synthetics isn't about which is "better"; it's about which lasts longer, while assuring safe operation, in relation to cost. Any product can be over or under utilized. The same applies to filters.
Make an informed decision; first consider your operating conditions, next determine your maintenance plan, and then pick your lube and filter. Don't do it the other way around ...

Top
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