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Product Category List
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| Synthetic Motor Oils
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Comparative Motor Oil Testing
| Motor
Oils Tested |
Test
Areas |
AMSOIL ATM
Mobil 1 Extended Performance
Quaker State Advanced Full Synthetic
Pennzoil Platinum
Trop Artic
Motorcraft
Castrol GTX
Chevron Supreme
Havoline
Formula Shell
Pennzoil
|
Thin Film Oxygen Uptake (ASTM
D-4742)
High Temperature/High Shear (ASTM D-4683)
NOACK Volatility (ASTM D-5800)
Pour Point (ASTM D-97)
Total Base Number (ASTM D-2896)
Cold Cranking Simulator (ASTM D-5293)
Four-Ball Wear (ASTM D-4172) |
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| AMSOIL
Synthetic 10W-30 Motor Oil (ATM) and 10 competing
conventional, synthetic and synthetic blend 10W-30 motor
oils were subjected to a series of motor oil tests. The
competing oils included petroleum-based Castrol GTX,
Chevron Supreme, Havoline, Formula Shell and Pennzoil,
as well as synthetic-blends Trop Artic and Motorcraft,
and full-synthetic Pennzoil Platinum, Quaker State
Advanced Full Synthetic and Mobil 1 Extended
Performance. Seven tests were run on the motor oils.
The Thin-Film Oxygen Uptake Test (TFOUT) measures the
oxidation stability of engine oils. The High
Temperature/High Shear Test (HTHS) measures a
lubricant’s viscosity under severe operating conditions.
The NOACK Volatility Test measures the evaporation loss
of oils in high temperature service. Pour Point
indicates the lowest temperature at which a fluid will
flow. Total Base Number (TBN) is the measurement of a
lubricant’s reserve alkalinity for combating acids. The
Cold Cranking Simulator
Test (CCS) indicates the degree to which a lubricant can
impact cold weather starting. The impressive test
results show AMSOIL Synthetic 10W-30 Motor Oil
outperformed the competitors in nearly every test. |
Extends
Oil Life
The Thin Film Oxygen Uptake Test (TFOUT) is used to
evaluate engine oil’s ability to resist heat and oxygen
breakdown when contaminated with oxidized/nitrated fuel,
water, and soluble metals such as lead, copper, iron,
manganese and silicon. This test is designed to mimic
the operating conditions of a gasoline engine.
AMSOIL 10W-30 Synthetic Motor Oil has superior heat
and oxidation resistance to control sludge deposits and
extend oil life. Engines stay clean for maximum
protection and oil changes are reduced, saving time and
money. |
Protects
Hot Engines
The High Temperature/High Shear Test measures a
lubricant’s viscosity under severe high temperature and
shear conditions that are similar to severe service
applications in an engine. In order to prevent wear, it
is important for a lubricant to maintain its protective
viscosity level under severe operating conditions.
AMSOIL 10W-30 Synthetic Motor Oil does not “shear
back” and thin out like other motor oils. Its superior
viscosity stability provides unsurpassed bearing
protection for dependable engine operation, especially
during hot operating conditions. |
Maximizes
Fuel Economy, Reduces Oil Consumption and Emissions
The NOACK Volatility Test determines the evaporation
loss of lubricants in high temperature service. The more
motor oils vaporize, the thicker and heavier they
become, contributing to poor circulation, reduced fuel
economy and increased oil consumption, wear and
emissions.
AMSOIL 10W-30 Synthetic Motor Oil resists high
temperature volatilization (evaporation) better than
other motor oils. AMSOIL Synthetic Motor Oil maintains
peak fuel efficiency and reduces oil consumption and
emissions. |
Improves
Cold Temperature Startup
The Pour Point Test determines the lowest temperature
at which a lubricant will flow. The lower a lubricant’s
pour point, the better protection it provides in low
temperature service. Unlike conventional oils that
solidify in cold temperatures, AMSOIL 10W-30 Synthetic
Motor oil remains fluid down to -58° F. AMSOIL Synthetic
Motor Oil helps engines turn over easier and flows
quickly to engine parts for critical start-up
protection. Engines start faster and wear is greatly
reduced for extended engine life. |
Controls
Acid Formation
Total Base Number (TBN) is the measurement of a
lubricant’s reserve alkalinity, which aids in the
control of
acids formed during the combustion process. The higher a
motor oil’s TBN, the more effective it is in suspending
wear-causing contaminants and reducing the corrosive
effects of acids over an extended period of time.
The high TBN of AMSOIL Synthetic 10W-30 Motor Oil
allows it to effectively combat wear-causing
contaminants and acids, providing superior protection
and performance over extended drain intervals. |
Helps
Engines Start Easier
The Cold Crank Simulator Test
determines the apparent viscosity of lubricants at low
temperatures and high
shear rates. Viscosity of lubricants under these
conditions is directly related to engine cranking and
startability. The lower a lubricant’s cold crank
viscosity, the easier an engine will turn over in cold
temperatures. The low cold crank viscosity of AMSOIL
Synthetic 10W-30 Motor Oil reduces drag on moving engine
parts and allows engines to achieve critical cranking
speed in extremely frigid temperatures. Engines turn
over quickly and dependably in the coldest winter
temperatures. |
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Protects
Against Wear
The Four-Ball Wear Test evaluates the protection
provided by engine oil under conditions of pressure and
sliding motion. The size of the scar left as a result of
the test determines the amount of wear protection the
lubricant provides. The smaller the wear scar, the
better the protection. Tests show that AMSOIL 10W-30
Synthetic Motor Oil has better antiwear performance than
all other oils tested. With AMSOIL Synthetic Motor
Oil, engine life can be extended and major repairs are
often reduced. |
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