Local cat house only has 10W30 in bulk at their shop. They advise to use that grade year round.
Ive used full synthetic for ever in a E model and then a C15. The c15 has 630K and like 22k hours on it. You might develop some oil leaks but that’s it ……
As far as the difference between a blend and a semi . I don’t think there is one…… all semi synthetic oils are part Dino and part synthetic I believe ?
we had some oil experts on here maybe someone will chime in…
