10W40 SN + rated question?

Joined
Aug 2, 2018
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Will 10W40 oil be SN + rated? I believe Mobil already made the move. Not sure of the parameters. Ty
 
Joined
Aug 23, 2010
Messages
3,972
Location
pa
just look on the label! i like higher viscosity oils in high heat, heavy towing or just helping lessen consumption. girlfriends 13 2.5L malibu spec xxW2o oil new it used a quart in 1500 then it got worse, a change to 10-30 was better for a while but now using a 5-40 euro spec + it cut consumption to 16 oz in 3 thou + thats the best it ever did! turbo'd engines are better with higher viscosities as well IMO. many vehicles in us recommending xxW20 get 5-40 recommendations in other countries, your choice a 1/4 mpg or a longer lived engine.
 
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