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Originally Posted by 68 461 Bird
So then why should we listen to you?
There's a lot of inteligent people on this Pontiac forum with a lot of experience on what has worked for them and what has not. I would trust that information before I trust a large corporation that is only interested in making a buck.
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You don't need to listen to anything I say, you need to read the study that GM funded about how much wear is reduced by filtering down to 1-2 microns. I didn't do the study, GM did, and the results speak for themselves.
I did the reading and research before I decided to change filtering on my own vehicles. The experiment is now ongoing over the last 8 years on my own private vehicles, gas and diesel. I change oil every 3-4 years and run between 30-40,000 miles. No adverse oil related problems, try that with a conventional filter and see where you are.