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The reason for Porsche is overfilling. They don’t want warranty claims for DIY oil changes causing engine damage/leaks. But they would never go to pans without plugs. The extractor method leaves a lot of crud in the bottom and they don’t recommend it.
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Jeff
74 911, #3
I do not disbelieve in anything. I start from the premise that everything is true until proved false. Everything is possible.
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