Unlocking the Potential Exceptional 0W-40 Substitutes for Extended Engine Life

I see amsoil recommends the 0w-40 as a direct replacement and many people say they run Mobil 1 in the 0w-40. I am not wanting to get into ... This is why 0W-40 is recommended here as an alternative, because it's the required LL-01 spec. Conversations about motor oils always draws a lot of opinions. 0w-40 ... alternative, M110 (standard fit for the old Mazda Millenia). It's a great filter, well made with very good filtration elements. Wear Metals | QSFS 5W-30 and Mobil 1 FS 0W-40 performed equally well. Remaining Additives (TBN) | Mobil 1 FS retained significantly more ... Well, Mobil 1 0W-40 IS the specified weight and brand recommended for my engines. I may move to a 5W-40 when the weather warms up. What do you ... Use 5W-30. The thinner grades sacrifice some engine protection for a tiny increase in fuel economy. Worry much more about how often you are ... I am also using the Castrol Edge 0-40w and it seems to work great very happy so far. bacardi198 12:00 AM 08-20-2014. I'm hoping that someone can educate me on why this Motul is widely considered to be superior to M1 0w40 when all I can see are similar viscosity ... All I can say on this, is the IMSA Supra GT4 uses (per an oil engineer with the team) 0w-40. If it's good enough for them, it's good enough for ... The difference between 0W-40 and 5w-30 isn't too great but I guess 0w-40 would be great if you live somewhere that gets really cold....