Hi gents, this post is a follow up on my last oil report linked here.
I'm pleased with the results given that my car is a highly modified one pushing 350whp daily driven miles.
I think from now on this will be my preferred choice of motor oil.
Wear is fine, but the oil sheared to a low 40wt in 5000 miles. As I've said multiple times, ANY 0w-40 or 5w-50 will shear like crazy in a turbocharged motor. In this case however, the oil is still plenty thick for the application.
The only concern I'd have in using a 5w-50 here is that the large amount of VI modifier needed to make an SAE 5w-50 can contribute to high temp deposits in a turbo motor.
Thanks for the response. I'm not versed enough with motor oil engineering terms, etc...etc...but should be suggested for my application and why would the oil cause hi-temp deposits? What indicates that it has sheared to a 40w?