Originally Posted By: Garak
Well, I can't think of any engine with clearances too tight for a 10w-30. It might have pumping issues at the coldest temperatures imaginable (i.e. that's one major reason I avoid it). But, 0w-20 at -10 is going to be a lot thicker than 10w-30 at operating temperatures, and I don't see that causing engines to seize because of clearances issues.
Hmm. Good point.
Well, I can't think of any engine with clearances too tight for a 10w-30. It might have pumping issues at the coldest temperatures imaginable (i.e. that's one major reason I avoid it). But, 0w-20 at -10 is going to be a lot thicker than 10w-30 at operating temperatures, and I don't see that causing engines to seize because of clearances issues.
Hmm. Good point.