No special preparation is necessary when switching from conventional motor oil to synthetic or from synthetic back to regular oil. You can even mix them.. A leaking engine will leak the same amount of either. Unless an engine is a real oil burner, it will burn less synthetic than regular.
MYTH: Synthetic oils are too thin and can create blow-by and oil burn-off in older cars.. However, our synthetic motor oil contains extra lubrication additives to make the oil stronger and provide higher heat dissipation. MYTH: Once you've used synthetic motor oil you can't switch to conventional motor oil.
NW MN, Thinking of switching to synthetic oil have some neighbors and friends that will pick up oil to burn. Is there any difference to .