Subaru 2.5L (EJ25) Dual AVCS, 4-cyl Turbo, race motor, track use, 7,500 RPM, 430 WHP, BW EFR turbo.
OIL TYPE & GRADE: Royal Purple XPR 5W/30
HR on Oil: 3 Hours
Total HR on engine: 6 hours
I am using 32 ounces of TORCO per 5 gallons of premium 93 octane, the maximum amount of Torco octane booster...