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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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Do you use a Porsche OEM (Mahle) oil filter, Mahle oil filter or K&N oil filter ??
They have the best oil anti drain valve for our cars using an upside down filter.
Fram is one of the worst or store brands.
John
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1988 924S, 85,750K ..+ 1987 924S, 154K DD (+15K est. bad odo)
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