How often should AMSOIL Gasoline Stabilizer be used in powersports and small engine equipment?
AMSOIL Gasoline Stabilizer (AST) should be used when fuel is stored for long-term, seasonal storage. For short- to medium-term storage, AMSOIL Quickshot® (AQS) is recommended.
What benefits are seen when using AMSOIL Diesel All-In-One?
AMSOIL Diesel All-In-One cleans dirty injectors, lubricates pumps and injectors to reduce wear, extends fuel-filter life, improves fuel economy up to 8%, combats fuel-system corrosion, prevents wax settling during storage, lowers cold filter-plugging point (CFPP) by up to 40ºF, delivers maximum horsepower and increases cetane up to 4 points. It is safe for use in all diesel fuels, including biodiesel, and is alcohol-free.

AMSOIL Fuel Additives

AMSOIL DOMINATOR® Octane Boost
AMSOIL DOMINATOR® Octane Boost
AMSOIL P.i. Performance Improver Gasoline Additive
P.i. Performance Improver Gasoline Additive
AMSOIL Quickshot®
AMSOIL Quickshot®
AMSOIL Gasoline Stabilizer
AMSOIL Gasoline Stabilizer
AMSOIL Motorcycle Octane Boost
Motorcycle Octane Boost
AMSOIL Diesel Injector Clean
AMSOIL Diesel Injector Clean
AMSOIL Diesel Cetane Boost
AMSOIL Diesel Cetane Boost
AMSOIL Diesel All-In-One
AMSOIL Diesel All-In-One
AMSOIL Diesel Cold Flow
AMSOIL Diesel Cold Flow
AMSOIL Diesel Recovery
AMSOIL Diesel Recovery
Can multiple AMSOIL gasoline fuel additives be mixed together with gasoline?
Yes. AMSOIL fuel additives are compatible. When selecting a fuel additive be sure that it is the appropriate choice for the application. For specific product recommendations, contact AMSOIL Technical Services at (715) 399-TECH (8324) or tech@amsoil.com.
What exactly does AMSOIL P.i.® gasoline fuel additive do?
For optimum fuel efficiency and lower emissions, fuel must first be atomized into a fine mist prior to entering the combustion chamber. Over time, injector deposits produce irregular spray patterns with heavy streams of gasoline that reduce performance, while intake valve deposits also decrease efficiency. AMSOIL P.i. (API) is a potent gasoline additive designed to clean combustion chamber deposits, intake valve deposits and port fuel injector deposits to improve fuel efficiency up to 5.7 percent and an average of 2.3 percent.
Does AMSOIL offer any fuel additives that combat ethanol-related problems?
Yes. AMSOIL Quickshot® (AQS) contains a revolutionary technology that focuses on three major fuel-related issues plaguing small engines and powersports equipment: ethanol, water and dirty pump gas.

Ethanol in fuel has a tendency to absorb water and separate from the gasoline. It then sinks to the bottom of the gas tank, where it quickly degrades and creates gum, varnish and other insoluble debris that can plug fuel flow passages and negatively affect engine performance. When this ethanol/water mixture is pulled into the engine, it creates a lean-burn situation that increases combustion chamber temperatures and can lead to engine damage. AMSOIL Quickshot is proven to successfully fight ethanol problems and improve operation.
Does AMSOIL Diesel Injector Clean comply with ultra-low-sulfur diesel (ULSD) fuel requirements?
Yes. AMSOIL Diesel Injector Clean (ADF), Cetane Boost (ACB), Diesel Cold Flow (ADF), Diesel All-In-One (ADB) and Diesel Recovery Emergency Fuel Treatment (DRC) are compliant with the federal requirements for ULSD.
What benefits are seen when using AMSOIL Cetane Boost?
Elevated cetane levels, generally above 50, are preferable to get the most performance and power out of diesel engines. AMSOIL Cetane Boost (ACB) is engineered to improve the cetane value of diesel fuel up to seven points. AMSOIL Cetane Boost is appropriate for all types of service, including heavy- and light-duty service, on- and off- road and marine diesel engines. Cetane Boost is compatible with biodiesel and all types of exhaust emissions systems and is excellent for use with Ultra Low Sulfur Diesel Fuel (ULSD). AMSOIL Cetane Boost also improves operating cost by improving fuel economy, provides complete combustion for better power, reduces white smoke and emissions, and improves cold temperature starting.
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