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Old 04-13-2011, 12:21 PM   #1
FloydSummerOf68
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Default Still wondering which oil filter to use? Filter Comparison Chart within

Not the end-all be-all information, but it was intereseting none the less.

Full Article: http://www.gmtruckcentral.com/articl...lterstudy.html

Click on this link for the full grades all filters received.
http://www.gmtruckcentral.com/articl...gradesheet.htm

Of note, in this test the best filters were (there is a slight weight for price too):
1. Fram Xtended Guard
2. Mobile 1
3. Royal Purple
4. Aimsoil (tie overall score with below)
4. K&N (tie overall score with above)

Worst were:
1. Shell
2. AC Delco
3. STP
4. Proline
5. Fram High Mileage (it filters better than lower tier Fram, but is built poorly and costs more)

Last edited by FloydSummerOf68; 04-13-2011 at 12:23 PM.
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Old 04-13-2011, 12:39 PM   #2
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Links should work now

Sorry about that
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Old 04-13-2011, 12:43 PM   #3
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Quote:
Originally Posted by FloydSummerOf68 View Post
Not the end-all be-all information, but it was intereseting none the less.

Full Article: http://www.gmtruckcentral.com/articl...lterstudy.html

Click on this link for the full grades all filters received.
http://www.gmtruckcentral.com/articl...gradesheet.htm

Of note, in this test the best filters were (there is a slight weight for price too):
1. Fram Xtended Guard
2. Mobile 1
3. Royal Purple
4. Aimsoil (tie overall score with below)
4. K&N (tie overall score with above)

Worst were:
1. Shell
2. AC Delco
3. STP
4. Proline
5. Fram High Mileage (it filters better than lower tier Fram, but is built poorly and costs more)

When you say that the AC Delco is one of the worst, which part number do you refer? The PF-48 OR the UPF-48R ????
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Old 04-13-2011, 12:48 PM   #4
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The Mobil 1 filter is not a C6 Corvette filter, neither is the AC Delco filter.
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Old 04-13-2011, 12:59 PM   #5
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I use the UPF48R. It's not expensive and I talked my dealer into ordering a case so they could sell me one.

Click the image to open in full size.

Info on this filter here.
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Old 04-13-2011, 01:00 PM   #6
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This is just a reference to how the particular filters are constructed and the quality found within them. I would assume that would be carried across the particular brands filter lineup.
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Old 04-13-2011, 01:10 PM   #7
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Quote:
Originally Posted by FloydSummerOf68 View Post
This is just a reference to how the particular filters are constructed and the quality found within them. I would assume that would be carried across the particular brands filter lineup.


Then the info is not exactly correct I would think. The PF-48 and the UPF-48R ARE different in their construction.

The latter is a HEAVIER constructed filter.....

As well, it has been stated here on this forum that there is only one or two companies that make ALL the filters we find on store shelves. Their manufactured to specs according to whose name is going on the filter.


this thread has had multiple runs here on this forum. so, cutting through the chase so to speak, PF-48 started out on C6Z and changed in '10's owner manual. Now, the UPF-48R is listed in my owners manual where the earlier version was before. It's constructed heavier because the ZR1's oil pump creates enough pressure to burst the earlier PF-48. So GM now calls for the UPF-48R for BOTH Z06 AND ZR1. (not that Z06 has the same pump as ZR-it does NOT)

But, the Z06 CAN still use the early one.

Last edited by tim414; 04-13-2011 at 01:13 PM.
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Old 04-13-2011, 01:16 PM   #8
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Thank you for posting this test.

I wonder how many are going to bawl because their favorite ox is getting gored?
Kinda like the air filter tests where the cherished aftermarket air filter admirers squawk in protest when their performance filter fairs poorly!
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Old 04-13-2011, 01:49 PM   #9
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For the most part,we have always used Wix filters.
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Old 04-13-2011, 03:41 PM   #10
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Quote:
Originally Posted by fnbrowning View Post
Thank you for posting this test.

I wonder how many are going to bawl because their favorite ox is getting gored?
Kinda like the air filter tests where the cherished aftermarket air filter admirers squawk in protest when their performance filter fairs poorly!


Not to mention zaino...
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Old 04-13-2011, 03:45 PM   #11
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Quote:
Originally Posted by FloydSummerOf68 View Post
This is just a reference to how the particular filters are constructed and the quality found within them. I would assume that would be carried across the particular brands filter lineup.
Assuming anything will often make an *** out of u and me.

A commercial contractor once gave me that tip and it was an excellent one. I try not to assume anymore.
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Old 04-13-2011, 04:18 PM   #12
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Quote:
Originally Posted by C-INRED View Post
Assuming anything will often make an *** out of u and me.

A commercial contractor once gave me that tip and it was an excellent one. I try not to assume anymore.
Yes, very clever...we've all heard that saying since we were 10

The chart is for nothing more than to just see how different brands faired against one another. The fact that they aren't specifically for the C6 is somewhat irrelevant in regards to the information it's trying to get across.

Like I said, it certainly is the end-all be-all report...it's just a tool to help make more informed decisions.
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Old 04-13-2011, 04:41 PM   #13
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Here is a different oil filter study with some different opinions.

http://people.msoe.edu/~yoderw/oilfi...dy.html#w51515
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Old 04-13-2011, 04:43 PM   #14
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Quote:
Originally Posted by C-INRED View Post
Assuming anything will often make an *** out of u and me.

A commercial contractor once gave me that tip and it was an excellent one. I try not to assume anymore.
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Old 04-13-2011, 04:51 PM   #15
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go with UPF48r its the best filter for the c6 and recommended by GM.


just purchased two at the dealer today list price is $16 for one.
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Old 04-13-2011, 04:55 PM   #16
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The Mobil 1 filter is not a C6 Corvette filter, neither is the AC Delco filter.
Just an addendum...at least both the Mobil 1 filter seems to be of the same TYPE of filter for the Vette. The "tested" Mobil M1-302 is an "Extended Performance Oil Filter" like the M1-107 is. One hopes they are identical in their performance levels.
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Old 04-13-2011, 04:55 PM   #17
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I do not think price should factor into the grade.

I do not care how much the best filter costs....as long as it is the best.
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Old 04-13-2011, 04:59 PM   #18
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go with UPF48r its the best filter for the c6 and recommended by GM.


just purchased two at the dealer today list price is $16 for one.
Did you expect GM to suggest another brand filter ?
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Old 04-13-2011, 05:02 PM   #19
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OBV not
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Old 04-13-2011, 05:42 PM   #20
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Quote:
Originally Posted by Pauls72 View Post
Here is a different oil filter study with some different opinions.

http://people.msoe.edu/~yoderw/oilfi...dy.html#w51515
I hate for this to be my first post on this forum. But I've seen this same "filter test" linked to on forums for years as the final word on quality filters. Ask yourself this before you read this "test". What is the most important job of an oil filter? After you answer that question read the "test" and then ask yourself why this was the one criteria left out of the "test".
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Old 04-13-2011, 05:42 PM
 
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