It will destroy the engine from lack of lubrication and overheating.
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.
You have a mess.
Nothing happens, they just mix. You can buy "blended" motor oil.
You can mix part synthetic oil with full synthetic oil.
Oil treatments is a total waste of money so don't mix anything with the synthetic oil.
Yes, that is what a synthetic blend is that they sell.
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.
Yes, you can. It is even sold as a Synthetic Blend.
Yes.
the oil mix is 32 to 1 or 50 to 1 for synthetic oil the oil mix is 32 to 1 or 50 to 1 for synthetic oil
No problem at all.Tip: Always use Fully Synthetic engine oil in your car/motorcycle.
Yes, semi synthetic is a blend of synthetic and conventional oil already.