Oil Change Intervals--Thoughts? (Be Calm)

[Iron Man]

Originally Posted by lainmike0710

Probably a topic for some other thread out there but I have always used the Mobil1 0 40 but suddenly, and I swear the last time I checked this was not the case, but the Castrol 0w40 at Walmart is now made in Germany and ll01 certified. I'm wondering if all of us Mobil 1ers should switch over since we apparently are now looking at GC or German Castrol which is so highly regarded by many, including Dackel. Anyone agree to trying out this change or stick with Mobil??

Yes. Castrol 0W-40 is now made in Germany, so that would be the "new" German Castrol.

The 0W-30 is now made in Belgium. Castrol has changed the formulation some and is using Ti as a AW additive now in the 0W-40 at least, probably the 0W-30 as well, since they are similar formulations and the only real difference is viscosity.

[lainmike0710]

I'm just wondering if it's worth switching from Mobil 1 next time around. I know many people feel Castrol is a mediocre oil brand.