G Garak Joined Dec 5, 2009 Messages 28,049 Location Regina, Saskatchewan, Canada Feb 28, 2018 #21 GM has had a hate-on for 10w-40 since before I started driving, so that was never helpful to the grade here. Imperial Oil (Mobil Canada) doesn't even make a 10w-40 grade except for the bike specific stuff.
GM has had a hate-on for 10w-40 since before I started driving, so that was never helpful to the grade here. Imperial Oil (Mobil Canada) doesn't even make a 10w-40 grade except for the bike specific stuff.