Just remember that last thought of the Astronaut just before the launch. All these bits and pieces were sourced from the low bidder? Same with oil filters. There is not much difference between the best and worst. Not one of them is worth the title of full flow filter. Most design changes might well be driven by cost of manufacturing instead of trying to make a better product.
GM filters best for GM vehicles?
- Thread starter BigAl
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I also like the AC Delco filters. I would add this to what Big Al the ME said- use a larger capacity AC Declo, if available. For example, use a PF 52 instead of the PF 47 that is used on many GM V6's.
GM has neither made nor designed oil filters for at least a decade. GM oil filters are sourced from Champion Labs and Delphi (the latter reported this past Friday on "CBS Evening News" as now in bankruptcy).
[ October 09, 2005, 04:27 PM: Message edited by: joee12 ]
[ October 09, 2005, 04:27 PM: Message edited by: joee12 ]
Let's get back on topic please, Joe
Please stay on topic.
Thanks, Gary
[ October 09, 2005, 07:05 PM: Message edited by: Gary Allan ]
Thanks, Gary
[ October 09, 2005, 07:05 PM: Message edited by: Gary Allan ]
I use to run AC Delco oil filters exclusively and there was one thing that always disturbed me greatly... I would wipe off the inside threads of the filters before I would put them on and I almost always got metal shaving coming off onto the paper towel.
Yes, I've seen that on other filters too. Most recently on a Purolator/Quaker State. I had a post on that too. I always wipe the threads for that reason. I think that the filters made by Champion Labs would have less of this, because their threads are rolled, not cut.
BTW: The only financial ties I have to GM are parked in my driveway. The company I work for does make OEM parts for lawn and garden, agricultural, and turf equipment, including engine parts. We work constantly with the equipment builders to keep quality up and resolve field issues. There are often tiny details that make the difference between success and failure. I can't inagine being able to reverse engineer a component and come close to being as good.
[ October 10, 2005, 09:40 AM: Message edited by: BigAl ]
. . . . and media effiency, burst strength, and pressure drop. I had a Mazda pickup a few years back with an oil pump that could develop enough pressure to burst the can or permanently deform the baseplate on some aftermarket filters. There were more than a few warranty disputes on that issue, and some aftermarket filter people stopped offering filters for the model until they could come up with one strong enough. Perhaps some of the other greybeards out there remember that one too.
That said, I'll admit that I still will continue to use ST filters on my old Nissan, and will risk using up the remaining QS and STP filters for my GM cars along with the AC filters I just bought. I still think AC is the safest bet for GM cars, and that's my choice for the future.
It will be interesting to see how the Delphi bankruptcy affects their relationship with GM. Maybe we'll actually see more AC filters from them if they can use it to curb some of their costs. Bad for the unions though . . .
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