adallak Posted February 12, 2010 Report Share Posted February 12, 2010 "One thing should be pretty clear if you have made it through this entire article. While there are dozens of oil filter brands out there, there are only a few actual manufacturers. Most filters you see on the shelf are sold by companies that don't actually make oil filters." What's inside of an oil filter? Enjoy. The saddest thing in life is wasted talent Link to comment Share on other sites More sharing options...
rockfangd Posted February 13, 2010 Report Share Posted February 13, 2010 Interesting. Long read. GM FAN FOREVER Nice, clean, luxury= fine automobile Link to comment Share on other sites More sharing options...
KHE Posted February 13, 2010 Report Share Posted February 13, 2010 I didn't know the study was updated. Thanks for posting. The most important oil filter on an engine is the very first one installed at the engine assembly plant. 90% of the debris generated by an engine will be caught by the very first filter. It doesn't matter to me that AC Delco filters may be made by another supplier - they are manufactured to GM's specifications. I don't an AC Delco on my Fleetwood - they discontinued the PF-25 (large, 1 qt. filter) and replaced it with a PF-414 which is less than half the size as the old PF-25. I typically use Purolator filters on that car since they still make a full size filter and are available. All I see on the store shelves these days are Fram filters and I won't use them. Kevin '93 Fleetwood Brougham '05 Deville '04 Deville 2013 Silverado Z71 Link to comment Share on other sites More sharing options...
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