zMAX helps keep the engine and fuel system clean by dispersing harmful carbon deposits, which improves performance. extends the life of your engine and reduces emissions. The same benefits apply to turbo chargers, too.

Recommended every 6 months or 6,000 miles, whichever comes first. zMAX will not void the manufacturer's warranty that comes with your vehicle.

zMAX is a “micro lubricant” designed to penetrate into smaller openings in the metal that conventional oils can't. With this strategy, zMAX can be used in petroleum or synthetic oils.

Directions for Use: For 10-24 gallon tanks, add 12oz zMAX Fuel Formula to at least 1/4 tank of fuel every 6 months or 6,000 miles. For over 24 gallon fuel capacity, add 16oz zMAX Micro-lubricant, using the zMAX Multi-Use 32oz bottle, pouring half into your fuel tank and saving the other half until next treatment.

How long does it take to start working? Rislone Engine Treatment starts working the minute you install and start driving the vehicle to help remove harmful gum, sludge, and deposits from your engine.

Prolong Engine Treatment Booster for follow-up applications when the motor oil is changed. The Booster size, with the same superior formula, renews Prolong protection to the maximum level. It is recommended that the Booster be used at each oil change, definitely within every six months or 6,000 miles.

It starts as highly refined mineral oil, not a synthetic, and the molecular structure is further refined to create what zMAX calls a “micro-lubricant.”

The marketers of zMax automotive aftermarket lubricant additives have agreed to reimburse customers $1 million to settle a false advertising suit brought by the U.S. Federal Trade Commission. The settlement, approved March 21 by a federal judge in Greensboro, N.C., prohibits Speedway Motorsports Inc.

Synthetic oils typically provide better protection than conventional oils, but switching back and forth between full synthetic and conventional oil will not damage the engine. Of course, this depends on the current engine condition and the quality of the conventional oil being used.

How often should I use a fuel additive in my gas tank? For fuel injector cleaners, manufacturers recommend once every 3,000 miles. However, some brands may go up to 10,000 miles between fuel additives because you have a newer car or use high-quality gasoline.

You can pour the product in before or after filling tank, as you will see, it mixes immediately with gasoline .

Generally speaking, the benefits last for about 12,000 miles, but this will depend on driving style and use. It is recommended to add 5% RESTORE Engine Restorer by volume to engine oil once a year, or if you prefer at each oil change, to keep the wear under control.