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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.
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∙ 10y ago
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Do the 4stroke need the gas and oil mixture?
No. A four stroke uses regular gasloine and has a separate place to add the motor oil.
What motor oil is best regular or synthetic?
The best motor oil for you car depends on the car. Many old cars can only handle regular motor oil.
Does the car have to be running to add motor oil?
NO !
Is it harmful to mix regular motor oil with hydraulic oil?
yes very
Is it harmful to switch between regular motor oil and synthetic motor oil?
No, you can even mix synthetic with conventional oil. It will do no harm at all.
Where do i add sae 10 non detergent oil to my furnace blower motor?
To add the sae 10 non detergent oil to your furnace blower motor you will have to open the motor section.
What is better for plants synthetic or regular motor oil?
motor oil, of any kind, would kill most plants
Is it alright to mix synthetic motor oil with regular non-synthetic motor oil in car engines?
That's okay.
Can you use regular motor oil in Polaris sportsman 500?
Yes, as long as you use the correct SAE weight oil. Polaris oil is regular oil.
Can you use regular motor oil in your lawnmower?
yes yes
What gear oil do you use for a1997 Honda prelude?
regular 10w40 motor oil
What kind of oil does a lawn mower take?
regular 10w 30 motor oil
