Yes, service stations will often call this a semi sythetic oil change.
Yes, you can also mix it with conventional oil creating a blend.
Synthetic and conventional oil can be mixed and used with no problem. That is exactly what a synthetic blend that you can buy is. A mix of synthetic oil and conventional.
Yes, semi synthetic is a blend of synthetic and conventional oil already.
You can use synthetic, synthetic blend, or conventional oil. It is your choice.
No. It will ruin an engine. The above answer is 100% wrong. You can mix convention oil with synthetic and it will do no harm at all. When you see them selling Synthetic blend that is what you are buying. A blend of synthetic and conventional oil.
It is a combination of synthetic oil and conventional oil.
Yes, many believe that you can not mix any oil blend together. This is not true, full synthetic can be mixed with conventional also with no harm. If this is done, there is just wasted cash when buying the synthetic.
Yes, you can even mix synthetic with conventional oil.
Yes, that is what a synthetic blend is that they sell.
yes, infact, 95% of synthetics are about a 50/50 of conventional oil, and synthetic anyways. mix and match all you want, no harm will be done"95% of synthetics are about 50/50 of conventional oil and synthetic..."That statement is not factual. If the bottle is labeled synthetic than it is 100% synthetic oil. If it is a blend, it will be marked as such.If possible, do not mix oils as the additive packs are different. stick with what is in the crankcase unless it is an emergency and you have no choice.
Yes you can mix different brands but I recommend you do not mix different weights. You can even mix synthetic oil with conventional oil. But as the weight of the oil is critical, do not ever mix one weight of oil with another, no matter if it is synthetic or conventional oil.
No. You can use conventional, synthetic, or a blend.