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Engine Technology Presents New
Benefits and Challenges
mechanical developments designed to reduce emissions and improved
efficiency place added stress on lubricants and fuel systems.
In recent years,
mandated emissions reductions and new fuel economy standards
have been the major drivers for new engine technologies. Application
of improved engine technologies is accelerating to meet these
mandates, challenging lubrication and fuel systems to operate
accordingly. Two of the most common recently improved engine
technologies include turbochargers and gasoline direct injection.
Turbocharged engines have gained popularity with vehicle manufacturers
for their ability to maintain or increase engine power while
simultaneously increasing fuel economy. Turbochargers work
by harnessing hot exhaust gases to drive a compressor, which in turn pressurizes air from the intake
system to generate more engine power. Since turbochargers
are continually exposed to hot exhaust gases, they stress
lubricants far beyond other areas of the engine. High temperatures
create the potential for localized sludge and deposit build-up
in critical areas, which can lead to damage to the turbocharger and other parts of the engine if not lubricated
and maintained correctly. Some engines equipped with turbochargers
require warm-up and cool-down periods to avoid coking, which is when motor oil
becomes baked onto the internal parts of the turbocharger.
According to BorgWarner
Turbo and Emissions Systems, 90 percent of all turbocharger
failures are due to one of the following causes:
of foreign bodies into the turbine or compressor
2. Dirt in the oil
3. Inadequate oil supply (oil pressure/ filter system)
4. High exhaust gas temperatures.
can generally be avoided with regular maintenance. MaintainIng
the air intake and filter, for example, helps keep the system
running cooler and ensures that no random foreign material
gets into the turbocharger.
Many new turbocharger-equipped
engines are designed to be consumer friendly and require little,
if any, special intervention. For example, the new Ford EcoBoost
engine has two water-cooled turbochargers that continually
circulate coolant after engine shutdown to ensure the turbo
is sufficiently cooled to prevent coking. Although this addresses
some of the immediate issues, oil debris and localized excessive
oil temperatures can still cause long-term issues.
Direct Injection Engines
Gasoline direct injection (GDI) engines are becoming more
widely used by vehicle manufacturers because, like turbochargers,
they can maintain engine power while also increasing fuel
efficiency. In a GDI engine, fuel is injected directly into
the combustion chamber rather than the intake side of the
engine. GDI technologies from different manufacturers vary
and component design is slightly different depending on the
company. Some GDI engines have exhibited problems with carbon
build-up on the intake side of valves. Oily residues build
up over time and deposit on the back side of intake valves
causing loss of engine horsepower, sluggish operation and
poor fuel economy.
One of the larger
concerns is the potential for clogging fuel injectors. GDI
systems operate under very high pressures and temperatures.
The fuel injector resides inside the combustion chamber, so
it is exposed to continuous cycles of high heat and pressure
followed by cold-soak periods. This is a much more severe
operating environment and deposit issues are more common than
in engines with injectors on the intake side. Since GDI systems
depend on high pressures to atomize the fuel, any dIsruption
of flow through the small injector openings creates noticeable
issues. This problem is so prevalent that a GDI deposit test
was designed specifically to predict deposit formation and
impact on fuel flow.
So, with more change
comes more issues and opportunities. Increased use of turbochargers
places more stress on lubricant and filter technology. Lubricants
must hold up to excessive temperatures created by use of these
systems, and they must be able to quickly pull heat away from
lubricated areas. In addition, oil filtration is critical
as these systems continuously operate under high load and
rpm. A slug of dirt particles in engine oil can tear up key
bearing components quickly. Seems like a problem specificallY
designed for AMSOIL
Motor Oils and High-Efficiency
has many benefits, but some significant issues. The pressurecooker
that is created by high temperatures, high fuel pressures
and smaller fuel injector openings can certainly cause new
issues for drivers. Varying fuel quality also creates another
opportunity for AMSOIL
Fuel Additives to help prevent or eliminate the issue.
Published, AMSOIL Magazine 08/11.
AMSOIL Signature Series
Synthetic Motor Oil
AMSOIL Signature Series Synthetic
Motor Oils are formulated to meet the latest API SN Resource
Conserving and ILSAC GF-5 industry specifications. AMSOIL
Signature Series Oils include 0W-20, 0W-30, 5W-30 and 10W-30
and represent the very best motor oils AMSOIL has to offer,
allowing motorists to take advantage of maximum extended
drain intervals. AMSOIL Signature Series Synthetic Motor
Oils are recommended for drain intervals of up to 25,000
miles/one year, whichever comes first (15,000 miles/one
year in severe service conditions).
here for more information
Synthetic Motor Oils offer the longest drain intervals
on the market, unsurpassed protection and performance that
effectively extends equipment life and improved fuel economy,
saving customers money at the pump and reducing the nation's
dependence on foreign oil.
The Presidents Desk
Synthetic Diesel Oil Articles and Testimonials
INC. warrants that the use of its lubricants will not cause
mechanical damage to any mechanically sound equipment when
AMSOIL INC. products are used in full compliance with the
company's recommendations and instructions."
synthetic motor oils are formulated to surpass engine test
specifications, offering protection far greater than competing
motor oils for extended drain intervals. Most synthetic oil
manufacturers make no claim to extended drain intervals, deferring
to the maintenance schedule provided by the vehicle manufacturer.
With its unparalleled oil and warranty program, AMSOIL offers
consumers unprecedented protection and economics.
More than 20 years
ago, AMSOIL began using the NOACK volatility test as a comparison
tool and measurement of quality. Back then, nearly every oil
tested side-by-side with AMSOIL synthetic motor oils failed,
and those that passed barely squeaked by. Other oil companies
paid no attention to NOACK results until Ford Motor Company
made it a requirement for service fill oils, validating what
AMSOIL had said all along.
NOACK Volatility Test
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
Synthetic Motor Oil resists high temperature volatization
better than other motor oils. AMSOIL Synthetic Motor
Oil maintains peak fuel efficiency and reduces oil consumption
AMSOIL Now An ISO Certified
received ISO 9001:2000 certification of our Quality Management
System (QMS). NSF International Strategic Registrations is
the registrar that has verified our QMS meets the requirements
of the ISO 9001:2000 standard, the most widely utilized quality
standard throughout the world for quality management systems.
ISO standards are used by over 300,000 companies worldwide
setting rigorous standards for businesses, government and
is applicable to any manufacturing and service organization
providing a framework for system development that focuses
on the customer, quality system performance and ongoing improvement.
AMSOIL received ISO 9001:2000 registration under the scope:
synthetic lubricants blending, packaging, and other fulfillment
directly associated with lubricant product.
certification puts AMSOIL in line with some of the most efficient
companies in the world. It is further assurance that the products
and services AMSOIL provides will continue to maintain the
high level of quality the company always demanded.
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