Parts-Wise
MOBIL 1 Lubricants
Mobil15W50
Mobil 1 5W-50 for Porsches until 3.0 liter engines such as all 356 and early 911 models. Mobil 1 5W-50 is recommended for older valve train designs that may benefitfrom a higher level of anti-wear normally not required in newer generation vehicles.