Quote:
Originally Posted by bbnks2
Mobil 1 0-40 used to be slightly thicker than Castrol Edge Euro 0-40. It is now thinner. It makes sense the new formula would decrease oil temps. Problem is it does not appear to hold up well to abuse. I'd stick with LL-01 approved oils if you do anything more than use your car for commuting/fuel economy. I would drop your oil change intervals down to 4-5k max.
|
Sorry, I wasn't clear. I have only I used Amsoil 5w40. I was thinking of using M1, but not now.