Other oil additives called dispersants keep sludge and varnish-forming elements from adhering to parts where they could cause sticking.

Schaeffer manufactures specialty lubrication products, including oil additives, friction modifiers, and synthetic oils, greases and other compounds.

The US Federal Trade Commission has aggressively pursued marketers of oil additives falsely claimed to improve fuel economy.

In the mid-1950s, Bardahl was the leading brand of motor oil and oil additives in the United States.

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In addition, ICP-AES can determine what amount of certain oil additives remain and therefore indicate how much service life the oil has remaining.

Although motor oil is manufactured with numerous additives, aftermarket oil additives exist, too.

This makes oil additives important in ways lubrication.

What do oil additives do for your engine?

In aftermarket oil additives, the percentage of ZDDP ranges approximately between 2-15%.