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AC Delco PF46 redesigned?

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Old 01-04-2010, 09:00 AM
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Default AC Delco PF46 redesigned?

So it was my first weekend free from work since October and I decided to do my oil change and diff oil change too. I took my oil filter off, and put it on my work bench. I opened the new PF46, and noticed a HUGE external difference. The new PF46 is shorter, and has a redesigned mounting face. The part number for the PF46 AC Delco oil filter also changed, check out the difference from the old design, and the new design....

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Thoughts?

Last edited by STAGEUP; 01-04-2010 at 07:07 PM.
Old 01-04-2010, 10:09 AM
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Yeah, AC Delco filters are junk these days, poor assembly, cardboard ends, kinda like Fram's. GM don't make them anymore. Run away from them.

Good store bought filters are Mobil 1, Royal Purple (if you can afford it!) Wix (Car Quest) and Hastings.

I keep a stock of Cummings/Fleetguard LF16104 filters on a shelf right next to the German Castrol.
Old 01-04-2010, 10:35 AM
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GM has outsourced the oil filters to Wix or Champion Labs for at least 8-10 years.
Old 01-04-2010, 10:56 AM
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Anybody know if the K&N oil filters are any good?
Old 01-04-2010, 10:59 AM
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K&N or WIX are good filters, we sell both.
Old 01-04-2010, 12:16 PM
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Sorry, yes, add K&N to the "good" list.
Old 01-05-2010, 10:59 AM
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can you still get German Castrol.
?
Old 01-05-2010, 04:37 PM
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Old 01-05-2010, 04:48 PM
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Anyone ever used or heard of someone using a John Deere brand filter??
Old 01-05-2010, 07:30 PM
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Never heard of it. I've always heard that John Deere's quality control and component source traceability was on the level of the space shuttle. I'm sure their filters are pretty good. I can't imagine they have filters that fit car applications. I can't find them.
Old 01-05-2010, 08:00 PM
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i just bought my first ac delco filter a few weeks ago, i can't see a difference between it and the mobil 1.
Old 01-05-2010, 08:18 PM
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i stick with the mobil 1 filter, but how long has it been since you changed the oil? that new style filter has been out for a while now
Old 01-06-2010, 08:42 PM
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Originally Posted by ae13291
i stick with the mobil 1 filter, but how long has it been since you changed the oil? that new style filter has been out for a while now
Its been a while since it takes me about 9 months to put 3,500 miles on it.
Old 01-06-2010, 10:50 PM
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I put John Deere filter on my 98 5.7 vortec, and my Focus which I thankfully dont have anymore. The seem like a heavy dutyish filter. They at least got some weight to them, and the can doesnt krinkle up like a Pepsi can.

I was just curious if anyone ever heard of the quality or had other experience with them.

Ive also heard they are a good source for metric fasteners, but Ive never gone in and asked about it.
Old 01-07-2010, 07:32 AM
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I have noticed some tapping in my car recently after its been running awhile, the same tapping i noticed w/ a fram filter previously...maybe its time to switch it up......The only other filter ive used in between those 2 has been an amsoil and there was no tapping...
Old 01-07-2010, 07:47 AM
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I wish I can get K&N here England, they have WIX here but the stores here can't provide me the right filter.
Old 01-07-2010, 09:32 AM
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Originally Posted by MonmouthCtyLS7
I have noticed some tapping in my car recently after its been running awhile, the same tapping i noticed w/ a fram filter previously...maybe its time to switch it up......The only other filter ive used in between those 2 has been an amsoil and there was no tapping...
Fram's are pretty much considered the worst filter out there. If you are trying to be budget minded, Purolater would be a better choice.


Originally Posted by bene
I wish I can get K&N here England, they have WIX here but the stores here can't provide me the right filter.
You should get someone to send you a big box of K&N, Mobil1 or Wix filters.
Old 01-07-2010, 01:23 PM
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Hey Cutlass, what filter number did you use and how did you determine it was the correct one/size?
Old 01-07-2010, 02:55 PM
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Originally Posted by Paul Bell
Yeah, AC Delco filters are junk these days, poor assembly, cardboard ends, kinda like Fram's.
I've already read this post, but can someone tell me exactly what makes the AC Delco filters no longer a quality oil filter?

I've been using them on all my vehicles for as long as I've been driving and have never had a problem.
Old 01-07-2010, 04:06 PM
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Originally Posted by hlaalu
i just bought my first ac delco filter a few weeks ago, i can't see a difference between it and the mobil 1.
Do this:

- compare the ends of them, see which has the thicker plate and gasket,

- weigh them, see which is heavier,

- see if you can dimple the sides with your bare hands,

- cut them open, see which is harder to cut open, measure the thickness of the sheet metal, compare the drain back valve, unravel the filter material and lay it out measure its length and compare the material.


The M1 wins each test.


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