Yes, you can. It is even sold as a Synthetic Blend.
Can you mix synthetic and regular oil in a gas engine
It might be... It's highly not recommended to mix regular and synthetic oils.
The most that will happen if you put mixed gas in a regular fuel engine is (depends on how much mix is but ) it will smoke out the exhaust and fowl the spark plug or may not run at all.
Yes.
Yes
you should never mix regular oil with synthetic. it will harm your engine over time. i would go get everything flushed out then add either one or the other.
You can use Synthetic oil at any time. You can even mix it with regular oil. Just be sure and use the correct weight.
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.
Yes, you can even mix them.
Yes, you can even mix them.
You will lose all lubrication to the engine, and if you run the engine long enough you will have catostrophic engine failure.
In a gasoline engine, definitely not. There are times when it is not inappropriate to add small amounts of gasoline to diesel for a diesel engine.
No, they will mix just fine.