The OP has been the champ and is running 0W-20....
The reason you have wear is because the oil isnt thin enough.
Couch, what sort of oil pressure are you seeing?
Edit:
Signature Series 100% Synthetic 0W-30 Motor Oil (AZO)
Viscosity @ 100°C, cSt (ASTM D-445) 10.5
Viscosity @ 40°C, cSt (ASTM D-445) 59.0Doesn't seem much different.Signature Series 100% Synthetic 5W-30 Motor Oil (ASL)
Viscosity @ 100°C, cSt (ASTM D-445) 10.5
Viscosity @ 40°C, cSt (ASTM D-445) 60.3
But i'm new to oil.