986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Newbie

Brucelee · 07-02-2005, 07:53 AM

Porsche currently recommends 0-40 Mobil for all temp ranges.

Prior to that oil being made, they routinely recommended and used 15-50 M1.

Based on the characteristics of the two oil, I would personally use the 15-50 in the hotther climes that we have been discussing. For other climes (say along the coast here in SD), the 0-40 would be fine IMHO. For racing, there is no question that 15-50 is the oil to use.

It is important to note that of the two oils, the newer version of the 15-50 is actually the only one that Mobil will "warranty" to last up to 15K miles.

As you know, Porsche specifies a 20K oil change for the 987. Wonder how they reconcile this within the company?

Hmmmm!

07-02-2005, 07:53 AM	#10
Brucelee Registered User Join Date: Jun 2004 Location: Des Moines, IA Posts: 8,083	Porsche currently recommends 0-40 Mobil for all temp ranges. Prior to that oil being made, they routinely recommended and used 15-50 M1. Based on the characteristics of the two oil, I would personally use the 15-50 in the hotther climes that we have been discussing. For other climes (say along the coast here in SD), the 0-40 would be fine IMHO. For racing, there is no question that 15-50 is the oil to use. It is important to note that of the two oils, the newer version of the 15-50 is actually the only one that Mobil will "warranty" to last up to 15K miles. As you know, Porsche specifies a 20K oil change for the 987. Wonder how they reconcile this within the company? Hmmmm!