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Nick 986 · 04-06-2008, 06:29 AM

This is my first post so I apologize up front if this is not the proper forum to ask these questions. I bought a 1998 Boxster with 42,000kms on it a little over a year ago and I immediately had the oil changed at the Porsche Dealer. They used Mobil 1. This spring I am going to change the oil myself with the help of a friend of mine who is a mechanic. A local auto performance shop recommended I call Royal Purple. I went onto their web site and I spoke via e-mail to a member of their technical team who recommended their regular 10W 40 or their racing 10W40 which is double the cost but is supposed to be "the best on the market today." I had never heard of Royal Purple. I do not race my car although I do open it up a bit on the highway once in a while (when I am with one of the boys and not with my wife) My questions are, is Royal Purple any good and will switching to Royal Purple from Mobil 1 hurt the engine in any way? The racing oil is approx $13.50 per liter so I would think at that cost that it must be good but if it is going to hurt the engine then I will obviously stick with the Mobil 1. I am looking forward to being a regular on this site and learning more about Boxsters. Thanks in advance for your advice.

04-06-2008, 06:29 AM	#1
Nick 986 Registered User Join Date: Apr 2008 Location: Nova Scotia Posts: 21	Oil Change 1998 Boxster This is my first post so I apologize up front if this is not the proper forum to ask these questions. I bought a 1998 Boxster with 42,000kms on it a little over a year ago and I immediately had the oil changed at the Porsche Dealer. They used Mobil 1. This spring I am going to change the oil myself with the help of a friend of mine who is a mechanic. A local auto performance shop recommended I call Royal Purple. I went onto their web site and I spoke via e-mail to a member of their technical team who recommended their regular 10W 40 or their racing 10W40 which is double the cost but is supposed to be "the best on the market today." I had never heard of Royal Purple. I do not race my car although I do open it up a bit on the highway once in a while (when I am with one of the boys and not with my wife) My questions are, is Royal Purple any good and will switching to Royal Purple from Mobil 1 hurt the engine in any way? The racing oil is approx $13.50 per liter so I would think at that cost that it must be good but if it is going to hurt the engine then I will obviously stick with the Mobil 1. I am looking forward to being a regular on this site and learning more about Boxsters. Thanks in advance for your advice.