Re: Have you heard about the end of 0 weight oil?
I've been thru 2 oil intervals with 0-40. 1st was factory. Changed after 1 yr old to another Mobil 0-40, but was never happy with slight valve chatter on start up since car was new! This time I listened to my common sense & completely changed brands to Castrol & stepped up to 5-40 synthetic. I will never turn back to using Mobil again.
From the 1st start up with Castrol my valve nuisance is gone & the car runs as quiet as a fine running sewing machine as I expected it to do from day 1. I'll never believe that going to mobil 5-40 would have ever brought me the results that Castrol has!! I don't live in any high heat temp. year round that the 0-40 would have caused this valve tick. Much variable temps. here in S. W. Ohio. Bye Bye mobil.