Hello, All! I'm a new BITOG member, but a longtime visitor. I bought a new VW Golf TDI and wanted to see how Pennzoil stacked up to the dealer-carried Castrol. These are both VW 504/507 spec oils. So... here are my Blackstone VOA reports. Please pick them apart, and let me know what you think.
*anything not listed was a "0" ppm
Pennzoil Ultra Euro L 5w-30
Boron: 70
Silicon: 3
Sodium: 1
Calcium: 1676
Magnesium: 8
Phosphorus: 634
Zinc: 723
SUS Viscosity @ 210F: 65.4
cSt Viscosity @ 100C: 11.71
Flashpoint:460F
TBN: 5.6
Castrol SLX Pro LL03 5w-30
Boron: 1
Silicon: 1
Sodium: 3
Calcium: 1700
Magnesium: 1
Phosphorus: 803
Zinc: 901
SUS Viscosity @ 210F: 64.7
cSt Viscosity @ 100C: 11.54
Flashpoint:430F
TBN: 5.4
*anything not listed was a "0" ppm
Pennzoil Ultra Euro L 5w-30
Boron: 70
Silicon: 3
Sodium: 1
Calcium: 1676
Magnesium: 8
Phosphorus: 634
Zinc: 723
SUS Viscosity @ 210F: 65.4
cSt Viscosity @ 100C: 11.71
Flashpoint:460F
TBN: 5.6
Castrol SLX Pro LL03 5w-30
Boron: 1
Silicon: 1
Sodium: 3
Calcium: 1700
Magnesium: 1
Phosphorus: 803
Zinc: 901
SUS Viscosity @ 210F: 64.7
cSt Viscosity @ 100C: 11.54
Flashpoint:430F
TBN: 5.4