Antifoaming treatments are meant to protect against engine oil from foaming although circulating from the engine. These additives decrease the surface tension between engine oil and air bubbles, enabling air bubbles to dissipate conveniently. More recent engines are much smaller now due to the transition to Computer system factors verse https://engine-oil-treatment51616.aboutyoublog.com/38628756/engine-oil-treatment-can-be-fun-for-anyone