Yes.
Semi synthetic or synthetic blend is a combination of synthetic and conventional oil. Full synthetic oil is just that 100% synthetic oil.
Yes, semi synthetic is a blend of synthetic and conventional oil already.
YES! "Regular" oil is what is mixed with synthetic to make semi-synthetic. Try to use the same brand. I've heard it's not good to mix the different additives that different companies use.
This oil is semi synthetic.
There is no difference in viscosity. A 10w30 full synthetic is the same as a 10w30 blend.
You can mix part synthetic oil with full synthetic oil.
10w40 semi/part synthetic
It is conventional oil and contains no synthetic oil. 3000 & 5000 are part synthetic and part conventional. 7000 is a full synthetic oil.
10w40 Semi Synthetic Oil
Yes you can use a synthetic blend or 100% synthetic.
10w40 semi synthetic
Yes, it is actually sold that way. It is called semi synthetic.Yes, it is actually sold that way. It is called semi synthetic.