Quote:
Originally Posted by felix83
Not that I'm anything but a Porsche novice, but according to a, if not THE, leading Porsche mechanic in Sweden (Björn Waldegård's mechanic), the oil to use is Castrol GTX 15W40 mineral oil. Synthetic oil, especially modern stuff with many additives, can dissolve old gunk from inside the engine which may shorten its life span. Also, you don't want to use too light an oil, as it can exacerbate the oil leaks that old Porsches almost certainly have.
Also, don't buy your oil filter from Porsche. Apparently, they've changed their supplier from Mahle (good stuff!) to something else. The new filters seem to cause a larger degree of foaming in the oil tank. So make sure to buy Mahle or Bosch oil filters.
Again, I don't claim to know half as much as the other people here, but that's the information I've (recently) gathered from lots of places all round the 'web, from people who I know to be reliable and knowledgeable.
Good luck and welcome to the community!
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Thanks for the welcome..
Regarding oil. It seems like the engine has been run on synthetic. Former change was at least. That's why I decided to follow that route.
Oil was bought based on reccomended specs from Porsche. The Castrol oil seemed to fullfill all of them, and then some. Will call the norwegian importer and hear what they say as well..
Will follow your reccomendation on the mahle filter. Thanks!
Cheers, Jarle