Can You Mix Different Brands Of Oil Same Weight Posted by kirth gerson at 8 52 am on april 17 2006.

Can you mix different brands of oil same weight I am talking about the same weight same type same everything except the brand.

Can you mix different brands of oil same weight. You can even mix synthetic oil with conventional oil. All you ll end up with is an oil with properties somewhere between the two. You can mix different weights but not sure why you would. Again different chemistry can be used to build up the viscosity of an engine oil so mixing two from different viscosity ranges is not likely going to deliver the result that you desire.

Summing it up when you top up your engine oil after a leak do not hesitate to mix oils if you do not get the same type of oil. A car owner might choose to use a different brand of synthetic oil and can do so without concern. But as the weight of the oil is critical do not ever mix. Another uncertainty is the shear stability of a mixture of two different weights.

Is there a consensus on this. Though the synthetic oils from different companies are not chemically identical the oils can be mixed together. I have heard that additives can be different between brands. Do not however mix synthetic and normal oils unless the synthetic s manufacturer specifically says it s ok.

All oils that carry the same cert are compatible and regardless of what you do there is always some old oil in the engine when you change it. The key differences between synthetic oils. Synthetic oils are all made in basically the same manner. In the long run though stick to using one type of oil to get the.