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COMPARATIVE
MOTOR OIL
TESTING
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
START-UP
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.
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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