AMSOIL Signature Series Synthetic Motor Oil
delivers extraordinary lubrication in all types of automotive
gasoline engines. By combining industry-premier synthetic
technology with AMSOIL premium additives, Signature Series
Synthetic Motor Oil exceeds the higher performance demands of
modern engines. It withstands the stress of higher horsepower,
higher heat and complicated emissions control systems. Signature
Series Synthetic Motor Oil is engineered to outperform
competitive conventional and synthetic motor oils. It delivers
long-lasting performance and protection.
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.
Extends Drain Intervals
AMSOIL Signature Series Synthetic Motor Oil can extend drain
intervals far beyond those recommended for conventional oils.
Its unique synthetic formulation and long-drain additive system
are inherently stable to resist oxidation and neutralize acids
over longer periods. Signature Series Synthetic Motor Oil is
designed to deliver the best possible engine protection,
cleanliness and performance over extended drain intervals. It
reduces vehicle maintenance and waste oil disposal costs.
Maximizes Fuel Economy
AMSOIL Signature Series Synthetic Motor Oil is designed to
maximize energy efficiency for improved fuel economy. Unlike
conventional oils, its uniform molecular structure helps it flow
more freely and reduce friction between metal surfaces.
Anti-friction additives are included to further improve energy
Reduces Engine Wear
Signature Series Synthetic Motor Oil provides outstanding
anti-wear protection. It has excellent viscosity film strength
to separate metal surfaces and robust anti-wear additives to
further reduce wear in metal-to-metal contact regions for
improved engine life.
Reduces Oil Consumption and Emissions
Volatility (burn-off) occurs when oil gets hot, causing high oil
consumption and emissions. AMSOIL Signature Series Synthetic
Motor Oil exhibits an extremely low volatility rate; it controls
volatility-related oil consumption and emissions.
Excels in Extreme Temperatures
AMSOIL Signature Series Synthetic Motor Oil resists thermal
(heat) breakdown better than conventional oils. It is heavily
fortified with detergent and dispersant additives to help
prevent sludge deposits and keep engines clean. And unlike
conventional oils, Signature Series Synthetic Motor Oil contains
no wax, staying fluid in the coldest winter temperatures for
easier starting, improved oil flow and reduced bearing wear.
AMSOIL Signature Series Synthetic Motor Oil is excellent for use
in all types of gasoline-fueled vehicles. It is recommended for
all domestic and foreign vehicles requiring any of the listed
API SN (Resource Conserving), SM…; ILSAC GF-5, GF-4…; ACEA
A5/B5, A1/B1; Ford WSS-M2C946-A, WSS-M2C929-A; Chrysler
MS-6395N; GM dexos1™ (supersedes LL-A-025, 6094M and 4718M)
Fortified with detergents that exceed dexos1™ sulfated ash
AMSOIL Signature Series Synthetic Motor Oil is compatible with
other conventional and synthetic motor oils. Mixing AMSOIL motor
oils with other oils, however, will shorten the oil’s life
expectancy and reduce the performance benefits. AMSOIL does not
support extended drain intervals where oils have been mixed.
Aftermarket oil additives are not recommended for use with
AMSOIL synthetic motor oils.
AMSOIL Signature Series Synthetic Motor Oil is recommended for
extended drain intervals in unmodified(1), mechanically sound(2)
gasoline-fueled vehicles as follows:
• Normal Service(3) – Up to 25,000 miles or
one year, whichever comes first.
• Severe Service(4) – Up to 15,000 miles or one year, whichever
• In all non-gasoline-fueled vehicle applications, extend the
oil change interval according to oil analysis or follow the OEM*
*OEM – Original Equipment Manufacturer
(1) Engines operating under modified
conditions (non-stock) are excluded from extended drain
recommendations. Examples include the use of performance
computer chips; non-OEM approved exhaust, fuel or air induction
systems; and the use of fuels other than those recommended for
normal operation by the manufacturer.
(2) Mechanically sound engines are in good
working condition and do not, for example, leak or consume
excessive amounts of oil, are not worn out, do not overheat, do
not leak antifreeze and have properly working emissions control
systems. AMSOIL recommends repairing malfunctioning engines
prior to the installation of AMSOIL synthetic oils.
(3) Personal vehicles frequently traveling
greater than 10 miles (16 km) at a time and not operating under
(4) Turbo/supercharged engines, commercial or
fleet vehicles, excessive idling, vehicles with more than
100,000 miles without prior continuous use of AMSOIL motor oil,
daily short-trip driving less than 10 miles (16 km), frequent
towing, plowing, hauling or dusty condition driving.
AMSOIL Ea® Full-Flow Oil Filters are designed
for extended change intervals. They stop smaller particles, flow
more oil and last longer than regular filters. For best
performance, use AMSOIL Ea Full-Flow Oil Filters.
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 on the
Corporate AMSOIL website MSDS page. Keep Out of Reach
of Children. Don’t pollute. Return used oil to collection
For warranty information, visit the
Corporate AMSOIL website warranty page.
100% Synthetic 5W-30 Motor Oil (ASL)
|Viscosity @ 100°C,
cSt (ASTM D-445)
|Viscosity @ 40°C, cSt
|Viscosity Index (ASTM
|VISC. CCS, cP (ASTM
|Flash Point °C (°F) (COC)
|Fire Point °C (°F) (COC)
|Pour Point °C (°F)
|NOACK (% weight loss)
@ 150°C, 1.0 X 106 s.-1), cP (ASTM
|Four-Ball Wear Test @
40 kgf, 75ºC,
1200 rpm, 1 hr, scar diameter, mm (ASTM D-4172)
|Total Base Number