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Which AMSOIL Products Are Recommended
For Your Vehicles?
Direct Injection Brings Diesel
Technology to Gasoline Engines
GDI Technology Offers Improved Power And Efficiency, Along
With A New Set Of Challenges For Motor Oil.
Technical Product Manager,
Fuel economy and
performance are probably the two most emphasized features
of vehicles today. Even powerful pickup trucks are touting
their respective MPGs alongside horsepower in an appeal to
both the macho and penny-pinching sides of prospective truck
buyers. Better fuel economy and better performance - is it
possible to have both?
The answer is,
"yes," with Corporate Average Fuel Economy (CAFE)
standards driving the need, and gasoline direct injection
(GDI) technology as a leading solution.
being pressured by the federal government's CAFE mandates
to produce vehicles that meet higher fuel economy standards
and decrease emissions. In October 2012, the National Highway
Traffic Safety Administration and Environmental Protection
Agency released final standards regulating CAFE and greenhouse
gas emissions for light-duty vehicles (passenger cars and
trucks) manufactured in model years 2017 through 2025. This
legislation projects average required fleet-wide fuel economy
ranging from 40.3 to 41.0 mpg in model year 2021 and from
48.7 to 49.7 mpg in model year 2025. The 2025 "split"
estimates the average required car mpg from 55.3 to 56.2 mpg
and light trucks from 39.3 to 40.3 mpg.
One promising source
for better fuel economy and performance is seen in the resurgence
of GDI engines. The major difference between GDIs and conventional
port-injected engines is how and where the gasoline is introduced
prior to combustion. In conventional port-injected fuel systems,
the fuel/air mixture occurs in the intake manifold; in GDI
engines, gasoline is injected directly into the combustion
chamber under very high pressures. Like similarly injected
diesel engines, this results in greater power, torque and
operating efficiency. Because of the specialized fuel delivery
components required for gasoline direct injection, GDI engines
remain more expensive to build than port-injected systems.
Even so, most major car manufacturers are now, or soon will
be, producing vehicles employing GDI technology. IHS Automotive,
a global industry forecasting company, predicts North American
GDI engine installation to rise from approximately 3 million
units in 2012 to more than 8 million units by 2016. There
are several reasons for the increasing production:
1. Today's injector
systems are computer-controlled and capable of delivering
extremely accurate and rapid distribution of atomized gasoline.
The fuel can be sprayed directly at the hottest part of the
combustion chamber, which is near the spark, improving efficiency.
Standard gasoline engines end up with the fuel-air mixture
widely dispersed in the chamber, resulting in less efficient
2. Because fuel
in GDI engines is injected directly into the cylinder instead
of the intake port, as in traditional gasoline engines, it
remains cooler and can be compressed more densely to produce
3. Since the fuel
supply is more precisely controlled, combustion can occur
at leaner air-to-fuel ratios. GDI engines use a mixture of
40 parts (or more) air to one part fuel during light loading,
while traditional gasoline engines use a mixture of 14.7 parts
air to one part fuel. The 40:1 ratio means less fuel is burned
during combustion, resulting in better fuel economy.
4. When atomized
fuel is injected into cyl-inders at high pressure, the combustion
chamber temperature decreases. This temporary in-cylinder
cooling increases the efficiency of the air-fuel mixture charge.
GDI engines also
work well with turbo-chargers, and by combining the two tech¬nologies
automakers can build smaller-displacement engines with performance
specs comparable to - or better than - larger engines.
GDI engines are
not faultless, however. Because fuel is injected directly
into the combustion chamber, intake valves don't get "washed"
with gasoline as they do in port-injected engines. This can
result in carbon build-up. To fight these deposits, GDI engines
rely primarily on injection timing calibration and exhaust
gas recirculation (EGR), allowing combustion gases to "wash"
the intake valves. These technologies have limitations though,
and can come up short. Because they are located in the combustion
chamber, the fuel injectors are also exposed to greater temperatures
and pressures. This environment makes them more susceptible
to deposits that impede the spray pattern, reducing engine
In addition to
using high-quality gas, regular use of robust fuel additives
is a good practice for keeping fuel systems clean. AMSOIL
P.i. Performance Improver Gasoline Additive (API) contains
powerful detergents that clean deposits that can form in combustion
chambers and on fuel injectors. By doing so, P.i. improves
fuel economy and reduces emissions. P.i. is the top choice
to keep GDI and port-fuel-injected engines deposit-free and
running at peak efficiency.
is a major component of achieving both better fuel economy
and increased performance. How far the technology goes is
yet to be determined. Meanwhile, AMSOIL P.i. Performance Improver
gasoline additive makes it easy to help keep engines clean
and operating at peak performance. Published, AMSOIL Magazine
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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