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Which AMSOIL Products Are Recommended
For Your Vehicles?
Emissions Control Systems Place
Unique Demands On Diesel Oils
diesel oils have adapted to overcome new challenges.
Technical Product Manager,
I read an article
on diesel engines and exhaust emissions in a recent issue
of Diesel Power magazine that really hit home. Many diesel
enthusiasts are on a quest for more horsepower and torque
through a laundry list of modifications that takes the word
"stock" and tosses it right out the window. These
modifications involve removing many of the systems engine
manufacturers have implemented to comply with Environmental
Protection Agency (EPA) regulations governing exhaust emissions.
If you've ever
read a diesel magazine or talked to anyone in the industry,
2007 was the year that light-duty turbo diesels took a turn
for the worse in customers' eyes. It was the introduction
of the diesel particulate filter (DPF), which is designed
to manage the particulates and soot released by the vehicle's
exhaust. David Kennedy from Diesel Power wrote in that article,
"How many times have you gotten up in the morning, gone
outside, taken a deep breath and said, ‘you know, the
air here is just too clean'?" Although you may believe
this DPF thing is the worst invention ever, it's in your exhaust
system for a reason. So instead of despising it and being
confused about what it does and how it does it, let's discuss
this device to improve your understanding.
The diesel combustion
process is imperfect. For example, diesel fuel does not burn
completely, leaving soot as a byproduct. The DPF is a honeycomb-like
filter positioned downstream from the exhaust manifold that
catches soot. As soot accumulates over time through normal
driving, the DPF begins to plug. A diesel engine requires
huge amounts of air for combustion and needs to exhale that
air through the exhaust very quickly. A DPF that can't pass
enough air creates restriction, which leads to reduced power
and fuel economy, and eventually could choke off the engine
entirely. Original equipment manufacturers (OEMs) designed
a process to clean the filter called regeneration. Your truck
monitors DPF restriction and automatically begins a regeneration
cycle when the pressure exceeds a specific limit. You'll notice
when the system activates because a DPF regeneration light
will illuminate on the instrument cluster.
So, what is the
regeneration cycle? When the DPF is near capacity, soot trapped
in the filter is burned, freeing the plugged media and enabling
the filter to remain serviceable. Most emissions-compliant
turbo-diesel pickups clear the DPF by spraying raw diesel
fuel into the cylinder on the exhaust stroke after combustion
occurs. Diesel fuel injected on the exhaust stroke does not
combust; instead, it travels down the exhaust stream until
it reaches the DPF, where it combines with soot and burns.
This generates the high temperatures necessary to burn soot
trapped in the DPF.
This process is
designed to regenerate the DPF and works fairly well; however,
since fuel injected on the exhaust stroke does not combust,
it tends to wash directly past the piston rings and into the
crankcase, diluting the engine oil. That's a pretty big issue
considering diesel fuel and engine oil readily mix, resulting
in reduced oil viscosity. I've seen oil analyses from trucks
with fuel dilution of up to 10 percent. That might seem relatively
low, but 10 percent fuel dilution can cause your 15W-40 engine
oil to thin to the equivalent of an SAE 20. That's a big reduction
in engine protection for engines designed to operate with
Because this issue
reduces the lubricant's ability to protect the engine and
extend drain intervals in turbo-diesel pickups, AMSOIL formulated
OE 15W-40 Synthetic Diesel Oil (OED) as a cost-effective alternative
to more expensive long-drain-interval products. We cannot
control the thinning effects the DPF regeneration system has
on the oil, so we formulated an oil to accommodate these effects.
OE Diesel Oil is highly shear-stable to provide maximum protection
against shear-induced viscosity loss, helping to minimize
the loss associated with fuel dilution. It provides security
in protecting the engine at the OEM drain interval, especially
in applications where fuel dilution is an issue. Published,
AMSOIL Magazine 08/12.
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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