Fuel Additives, Coolants & Engine Cleaners

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Perfect for use on surfaces which may be damaged by conventional lubricants such as grease or oil. Protects with a dry lubricating film. Helps prevent the cracking and drying of rubber. Displaces water and makes an excellent mold release lubricant. May be used where light duty or silicone lubricants are recommended.

Product Code: ALS

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Cleans entire combustion intake system for improved engine performance. Removes gum, varnish and carbon deposits for better fuel economy and improved overall engine performance. Cleans intake valves, intake manifolds and throttle plates to keep the combustion intake system running at peak efficiency. Effective in both two-cycle and four-cycle engines. Product Code: APF

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AMSOIL Fast Acting Engine Flush is made from a carefully selected blend of solvents and special cleaning agents that dissolve and disperse harmful deposits formed in the crankcase, cylinder walls, pistons and rings of an internal combustion engine. When used as directed, it cleans and restores operating efficiency to valves, valve lifters, rocker arms, and pistons for improved horsepower, fuel mileage, and performance. Use before changing oil. Product Code: AEF (CEF in Canada)

Why Clean Your Engine?

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AMSOIL Gasoline Stabilizer keeps fuel from deteriorating during storage. Reduces the oxidation process and prevents varnish and gum build-up in gasoline. These contaminates can clog injectors, stick floats and cause poor engine startup. Allows easier start-ups.

Treat rate is one ounce with every 2.5 gallons of fuel. One bottle treats 40 gallons.
Product Code: AST

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Diesel Concentrate Performance Fuel Additive (ADF)
Total system cleaner and lubricity improver for all types of diesel engines. Excellent for ultra low sulfur diesel and biodiesel fuel.

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A premium fuel additive that lowers diesel fuel cold flow properties as much as 20°F (11°C).

Package sizes include:

16-oz. Bottle
16-oz. Bottles (case of 6)
5-Gallon Pail
55-Gallon Drum

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Improves combustion efficiency to increase power in diesel engines. Raises cetane three to seven numbers. Also improves low-temperature starting, fuel ignition quality and reliability. Treats up to 200 gallons. Product Code: ACB

• Performance Features
• Improves ignition quality
• Improves low-temp starting
• Reduces cranking time
• Reduces emissions and smoke
• Provides smoother, quieter operation
• Increases efficiency
• Compatible with AMSOIL Diesel Fuel Additive Concentrate

Cetane number is the measure of a diesel fuel's ignition quality.  Ignition quality is measured by ignition delay, the time between the start of fuel injection and the start of fuel combustion.  Fuels with good ignition quality give short ignition delays and are assigned high cetane numers.

Cetane, the colorless, oily hydrocarbon on which the cetane number scale is based, has extremely good ignition quality and is assigned a cetane number of 100.  The cetane numbers of North American diesel fuels may be as low as 37, which cause startablility and driveability problems.

AMSOIL Cetane Boost increases a fuel's cetane number and improves its ignition quality.  Cetane Boost encourages timely, uniform fuel ignition, discourages high pressure rate rise during the combustion cycle and solves startability and driveability problems associated with low cetane number diesel fuels.

Smooth Operations - too long an ignition delay at high engine loads leads to an excessively rapid increase in pressure within the cylinder before combustion, which in turn, leads to diesel knock, or rough operation, especially on cold starts.  Excessive pressure rise rates are theoretically cuased by extra chemical reactions occurring before combustion.  The products formed by the extra reactions burn rapidly.  Rapid burning causes excessively rapid pressure rise in the cyclinder.  With a shorter ignition delay, the extra reactions don't have a chance to occur, hence the rate of pressure rise is reduced.

By reducing ignition delay, AMSOIL Cetane Boost maintains the proper cylinder pressure rise rate.  Maintaining the proper pressure rise rate improves driveability.  Cetane Boost also improves driveability by reducing throttling pintle nozzle coking. Throttling pintle nozzle coking produces noise and emissions.  Cetane Boost cleans up coke deposits and prevents the formation of new deposits.  Cetane Boost also reduces varnish formation.

Improves Cold Engine Startability - In a cold engine with low intake air pressure, a long ignition delay cuases difficult starting, misfiring and incomplete combustion.  Incomplete combustion causes power loss and produces white smoke.  White smoke is evidence of unburned or partially burned fuel.  It occures after starting a cold engine, during idling or other cold-engine operations.

By reducing ignition dleay, Cetane Boost improves cold starting characteristics by reducing the time required to start the engine and the time required to establish smooth engine operation.  Cetane Boost also allows engines to start at lower temperatures than the can with non-Cetane Boost treated fuels.

Reduce Emissions - AMSOIL Cetane Boost substantially reduces hydrocarbon and carbon monoxide emissions of heavy-duty on-road diesel trucks.  By shortening the ignition delay, Cetane Boost helps fuel burn more completely, reducing carbon monoxideand hydrocarbon emissions.  Cetane Boost may also reduce NO and particulate emissons.

Available in Convenient Size - One 16-oz can of AMSOIL Cetane Boost treats 100-200 gallons of diesel fuel and increases the fuel's cetane number three to seven points.  Adding one can to 100 gallons of fuel provides the maximum benefit.

Alcohol Free - AMSOIL Cetane Boost contains no ethanol, methanol, MTBE or other alcohol.