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Flavor 987S · 08-24-2010, 05:11 AM

Mike, that's a good oil report. Keep doing the Blackstone reports. This is your base-line report. Future reports will continue to give you valuable info regarding the health of your engine and necessary drain intervals.

I compared your report to the Mobil One 15W50 I run in my 993 Turbo (I am now running Mobil One Twin V 20W50). The results are similar. I also compared to my 2006 987S that is running Redline 5W40 (I plan to run M1 5W50 at the next oil change in October) and again the results are very similar.

I know lots of 993 Turbo owners running M1 15W50 in their air-cooled turbos with excellent results.

08-24-2010, 05:11 AM	#4
Flavor 987S Registered User Join Date: Jul 2009 Location: Arlington Heights, IL Posts: 1,561	Mike, that's a good oil report. Keep doing the Blackstone reports. This is your base-line report. Future reports will continue to give you valuable info regarding the health of your engine and necessary drain intervals. I compared your report to the Mobil One 15W50 I run in my 993 Turbo (I am now running Mobil One Twin V 20W50). The results are similar. I also compared to my 2006 987S that is running Redline 5W40 (I plan to run M1 5W50 at the next oil change in October) and again the results are very similar. I know lots of 993 Turbo owners running M1 15W50 in their air-cooled turbos with excellent results.