Question 627556
): a car engine hold 7 litres of oil, u want to add 10% of engine treatment how much additive do u use
:
Assume you want 10% of the 7 liter mixture to be additive
:
Drain .7 liters of the original oil (if it is full).
 Add .7 liters of the additive
:
If you are changing the oil, add 6.3 liters of oil, then .7 liters of additive