Originally Posted By: SubLGT
I am thinking that for climates where winter temps usually do not get below 10 degF, the best choice is Pennzoil Platinum 5W-30 SN:
HTHS= 3.0
VI= 177
MRV= 13,300 (at -35C)
CCS= 4110 (at -30C)
What say you ?
For the sake of comparison, M1 0W30 AFE SN:
HTHS= 3.0
VI= 166
MRV= 13,250 (at -40C)
CCS= not available
The M1 0W30 is thicker at a 10 degF startup than the PP 5W30. But if I needed to start my car at -20 degF on a frequent basis, I would want the M1 instead of the PP 5W30.