Car: 2011 Subaru WRX Hatch
Total Miles: 15,174
Miles on Oil: 3,556
Oil: 5W-30 Castrol Edge Syntec (2011 black bottle)
Makeup Oil: 0 quarts
Filter: OEM Blue Subaru Filter
Driving Conditions: 90% highway at 65-70 mph. Occasional revs to 4000, 5000 RPM.
Comments:
I think I'll continue with 3750...