Originally Posted By: UltrafanUK
When you mix oils it does not improve things and the final result will depend on how poor the quality of the worst sinner in the collection of cans was.
Any basis for that? Seems rather a blanket statement for what will be a rather complex phenomenon.
Its probably true for, say, base oil stability, but the effect of additives (which are probably a significant quality differentiator) seems likely to be...well...additive.
When you mix oils it does not improve things and the final result will depend on how poor the quality of the worst sinner in the collection of cans was.
Any basis for that? Seems rather a blanket statement for what will be a rather complex phenomenon.
Its probably true for, say, base oil stability, but the effect of additives (which are probably a significant quality differentiator) seems likely to be...well...additive.