I switched oil filters recently from WIX to AC delco because my local shop that carried WIX closed. Any how I bought 3 AC Delco that are PF 46. Tonight I was at Walmart and they carried PF 46E and they look like the Super Tech Filters. I am guessing I bought old ones. Are the ones I bought junk is that why they changed?
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AC Delco filters did they change??
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Champion Laboratories makes the Supertech oil filters and well as STP and AC Delco filters (and many other brands). The Ecore design is several years old and it appears that Champ Labs is slowly changing production over to that design from the conventional design with metal end caps and a metal center tube. If you were to look at the AC Delco line at Wal-Mart you will see that some are Ecore and some are the older design. There is a lot of debate on this board whether the Ecore is a good filter or not. The choice is really yours but I personally feel that based on years of using them (AC Delco filters) that Champ Labs does not make poor quality filters.
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I`d MUCH rather have metal internals than cheapy plastic. I bought an AC Delco for my gf`s Olds recently (at Advance) and it was one of the good old metal ones. I wonder if you get an AC Delco at a GM stealership if it will be one of the good metal internal ones?
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The old ones really aren't junk, just older technology still in common use by Purolator. What really counts in a filter is the amount and quality of the filter media. I like a thread end bypass too, but many GM applications have the bypass in the engine so that is a moot point.
In the past, AC's were excellent filters having half again more media that similarly priced filters. Since I haven't found a PF 1177 in years, I have no idea about how the current ones compare.
Likely both the old and new technology are good filters. I would use either with no worry. Champ could easily be putting more or better media in the AC than the ST and STP.
In the past, AC's were excellent filters having half again more media that similarly priced filters. Since I haven't found a PF 1177 in years, I have no idea about how the current ones compare.
Likely both the old and new technology are good filters. I would use either with no worry. Champ could easily be putting more or better media in the AC than the ST and STP.
I'm not really worried about the strength of the cage, I'm wondering if the extra wide open spaces between the rails of the cage would allow the filter media to flex more and possibly tear apart under high pressure situations (such as a cold start up), and possibly blocking the oil outlet hole of the filter, or going into the engine causing damage. The "old" technology has worked for many decades. Why change it? Where's the benefit to the consumer? I bet it benefits the manufacturer by being cheaper to produce. Where were the failures or problems with the "old" filters that required a redesign? Not a necessary redesign. If it's not broken, don't fix it. (And it wasn't broken) It just sounds like a cost cutting measure to me. I've started hoarding the old-style filters for my GMC.
If you trust the Ecore design, that's great. I'm happy for you. I just don't trust it. And I won't use it as long as I have a choice.
If you trust the Ecore design, that's great. I'm happy for you. I just don't trust it. And I won't use it as long as I have a choice.
Originally Posted By: aquariuscsm
I`d MUCH rather have metal internals than cheapy plastic. I bought an AC Delco for my gf`s Olds recently (at Advance) and it was one of the good old metal ones. I wonder if you get an AC Delco at a GM stealership if it will be one of the good metal internal ones?
If "cheapy plastic" works in firearms, it will work in your oil filter. You can run over my plastic AR15 mags with a 4 ton truck and it wont break it.
Plastics can be as good or better than metal if formulated correctly.
I`d MUCH rather have metal internals than cheapy plastic. I bought an AC Delco for my gf`s Olds recently (at Advance) and it was one of the good old metal ones. I wonder if you get an AC Delco at a GM stealership if it will be one of the good metal internal ones?
If "cheapy plastic" works in firearms, it will work in your oil filter. You can run over my plastic AR15 mags with a 4 ton truck and it wont break it.
Plastics can be as good or better than metal if formulated correctly.
Originally Posted By: Big_Ed
I'm not really worried about the strength of the cage, I'm wondering if the extra wide open spaces between the rails of the cage would allow the filter media to flex more and possibly tear apart under high pressure situations (such as a cold start up), and possibly blocking the oil outlet hole of the filter, or going into the engine causing damage. The "old" technology has worked for many decades. Why change it? Where's the benefit to the consumer? I bet it benefits the manufacturer by being cheaper to produce. Where were the failures or problems with the "old" filters that required a redesign? Not a necessary redesign. If it's not broken, don't fix it. (And it wasn't broken) It just sounds like a cost cutting measure to me. I've started hoarding the old-style filters for my GMC.
If you trust the Ecore design, that's great. I'm happy for you. I just don't trust it. And I won't use it as long as I have a choice.
It is the same center tube design as the increasingly popular cartridge filters. It would be hard to miss it when you changed it if one of them imploded. They certainly should give as much support as the filter where the metal tube doesn't run fool length of the element.
I think there was some discussion of metal particles getting into the filtered oil from the perforations in the metal tubes.
Yeah, maybe they are cheaper. So is moving the factory to china. Ecore, American engineers working smarter to keep jobs in America.
I'm not really worried about the strength of the cage, I'm wondering if the extra wide open spaces between the rails of the cage would allow the filter media to flex more and possibly tear apart under high pressure situations (such as a cold start up), and possibly blocking the oil outlet hole of the filter, or going into the engine causing damage. The "old" technology has worked for many decades. Why change it? Where's the benefit to the consumer? I bet it benefits the manufacturer by being cheaper to produce. Where were the failures or problems with the "old" filters that required a redesign? Not a necessary redesign. If it's not broken, don't fix it. (And it wasn't broken) It just sounds like a cost cutting measure to me. I've started hoarding the old-style filters for my GMC.
If you trust the Ecore design, that's great. I'm happy for you. I just don't trust it. And I won't use it as long as I have a choice.
It is the same center tube design as the increasingly popular cartridge filters. It would be hard to miss it when you changed it if one of them imploded. They certainly should give as much support as the filter where the metal tube doesn't run fool length of the element.
I think there was some discussion of metal particles getting into the filtered oil from the perforations in the metal tubes.
Yeah, maybe they are cheaper. So is moving the factory to china. Ecore, American engineers working smarter to keep jobs in America.
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