FYI, NAPA Synthetic Specs

[oilchangeguy]

For the group,
Here's what Valvoline sent me on the NAPA synthetic

5W-20 5W-30 10W-30 15W-50
Specific Gravity @60F 0.853 0.849 0.852 0.857
Flash Point, COC, C 220 240 248 248
Pour Point. C(max) -45 -42 -39 -33
CCS, cP, max 6600(-30C) 6600(-30C)7000(-25C) 7000(-20C)
Viscosity @ 40C, cSt 46 60 63 137
Viscosity @ 100C, cSt 8.7 10.7 10.7 19.4
Viscosity Index 171 171 160 162
MRV, cP, max 60,000(-35C)60,000(-35C)60,000(-30C)60,000(-25C)
NOACK, wt.% loss Zinc/Phosphorus, wt.% 0.085/0.076 0.080/0.076 0.080/0.076 0.080/0.076
Calcium/Sodium, wt.% 0.252/0.00.162/0.0470.162/0.047 0.162/0.047

 

[joedirt]

Why are Valvoline oils noack always high and what does this really mean for an engine?

 

[rszappa1]

In layman terms....Does all of that data mean it is a good or bad oil?????