PRODUCT DESCRIPTION
AMSOIL Dominator® Synthetic 5W-20 Racing Oil (RD20) provides superior performance and maximum
protection in high-performance and racing applications. Formulated to withstand the elevated
RPM, high temperatures and shock-loading common to racing applications, Dominator Synthetic
5W-20 Racing Oil delivers superior performance and maximum protection in extreme conditions.
Its shear-stable formulation was engineered to provide maximum horsepower without sacrificing
engine protection. Dominator Synthetic 5W-20 Racing Oil provides straight-grade protection in a
multi-grade formulation. AMSOIL, the leader in automotive synthetic lubrication, produced the
world’s first API-qualified synthetic motor oil in 1972. Trust the extensive experience of
AMSOIL The First in Synthetics® to do the best job protecting your engine.
MAXIMUM DURABILITY, MAXIMUM WEAR PROTECTION
AMSOIL Dominator Synthetic Racing Oil features an additive package heavily fortified with zinc
and phosphorus for superior long-term wear protection. Designed for maximum durability, it
ensures critical engine components are protected for the duration of the race. Dominator
Synthetic 5W-20 Racing Oil’s superior additive technology provides unmatched durability in
extreme conditions. In addition, its light viscosity makes it ideal for high-performance tuner
cars and sub-compact vehicles.
SUPERIOR PERFORMANCE
Dominator Synthetic Racing Oil’s proprietary friction modifier provides reduced friction for
maximum power and cooler engine temperatures, resulting in improved lap times and
longer-lasting equipment.
PROTECTION FROM STARTUP TO THE CHECKERED FLAG
Dominator Synthetic 5W-20 Racing Oil’s multi-viscosity design provides maximum protection in
temperature extremes. Dominator Racing Oil offers excellent coldstart protection and provides
less drag when engine oil has not reached stable operating temperatures. It maintains superior
film strength during high-temperature operation on the track.
SUPERIOR-QUALITY OILS, NO DISCRIMINATION
Many oil companies produce specialty racing oils for elite groups and do not offer them to the
general public. For instance, several popular oil manufacturers produce racing oils offered
only to NASCAR racers. All AMSOIL synthetic motor oils are already formulated to a higher level
of performance than competitors’ oils, and AMSOIL Dominator Synthetic Racing Oil is no
exception. It provides maximum performance and superior protection to all racers, regardless of
their level of competition. The same AMSOIL Dominator Synthetic Racing Oil that is used in the
engines of AMSOIL corporately-sponsored racers, including Scott Douglas and Brady Smith, are
available to everyone.
APPLICATIONS
AMSOIL Dominator Synthetic 5W-20 Racing Oil is recommended for high-rpm, high-horsepower,
turbo/supercharged, gasoline- or alcohol-burning and nitrous oxide gas-injected applications
operated under severe conditions.
Applications include, but are not limited to, the following:
• Modified Small Block • Asphalt Late Model • GM Crate Late Model • NHRA Stock Eliminator •
Bracket • Midget • Kart • Junior Dragster • Other domestic and import high-performance racing
and street applications requiring 20-weight oil. The low-viscosity formulation and robust
additive package of Dominator 5W-20 make it ideal for use as a high-strength qualifying
oil.
AMSOIL Ea Racing Air Filters (EaAR)
are specially designed for racing and street rod enthusiasts who desire AMSOIL Ea protection in
carbureted applications. AMSOIL EaAR Air Filters are constructed with the same synthetic
nanofiber media as other AMSOIL Ea Air Filters, providing maximum protection and extended
filter life.
AMSOIL offers WIX Racing Oil Filters for racing applications. WIX racing filters are
specially designed for racing applications only.
OIL ANALYZERS INC., 715-395-0222, is a division of AMSOIL that provides cost-effective,
quality oil analysis services. For more information on product applications and service life,
refer to the AMSOIL Product Recommendation and Drain Interval Guide (G1490).
HEALTH & SAFETY
This product is not expected to cause health concerns when used for the intended application
and according to the recommendations in the Material Safety Data Sheet (MSDS). An MSDS is available upon request at
715-392-7101 or via the Internet at www.amsoil.com. Keep Out of Reach of Children. Don’t
pollute. Return used oil to collection centers.
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TYPICAL TECHNICAL PROPERTIES
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Dominator® Synthetic 5W-20 Racing Oil (RD20)
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Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
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9.0
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Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
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49.6
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Viscosity Index (ASTM D-2270)
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165
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CCS Viscosity (°C), cP (ASTM D-5293)
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5695 (-30)
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Pour Point °C (°F) (ASTM D-97)
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-45 (-49)
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Flash Point °C (°F) (ASTM D-92)
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225 (437)
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Fire Point °C (°F) (ASTM D-92)
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241 (466)
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Four Ball Wear Test
(ASTM D-4172B: 40 kgf, 150°C, 1800 rpm, 1 hr), Scar, mm
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0.49
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Noack Volatility, % weight loss (g/100g) (ASTM D-5800)
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8.0
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Shear Stability Kurt Orbahn (ASTM D-6278),
% viscosity change 90 cycles.
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<3.0
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High-Temperature/High-Shear Viscosity,
150ºC, 1.4x106s-1, cP (ASTM D-5481)
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3.0
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AMSOIL Dominator® Synthetic 5W-20
Racing Oil (RD20) provides superior performance and maximum protection in high-performance and
racing applications. Formulated to withstand the elevated RPM, high temperatures and
shock-loading common to racing applications, Dominator Synthetic 5W-20 Racing Oil delivers
superior performance and maximum protection in extreme conditions.
