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The Unmeasureable Benefits of AMSOIL
AMSOIL has long used the ASTM D4172
Four-Ball wear Test and the DIN 51581 NOACK Volatility TEST as ways to
demonstrate the superiority of AMSOIL motor oils over competing synthetic and
petroleum motor oils. In fact, AMSOIL was the first to utilize the NOACK
Volatility Test as a standard of performance excellence. Both the Four-Ball
Wear Test and the NOACK Volatility Test, when put into graph form, provide a
visual demonstration of where AMSOIL motor oils stand when out head to head with
the competition.
However, AMSOIL motor oils have these
additional benefits which are not so easily measured and put into graph form.
AMSOIL spares no expense when it comes to additives, purchasing the best, most
durable on the market. These additives keep AMSOIL motor oils shear stable,
provide long-term performance against varnish and sludge, keep critical engine
components clean and deposit-free and resist the harmful effects of rust,
corrosion and foaming.
TOP QUALITY VI IMPROVERS
AMSOIL uses the best shear stable viscosity index improvers available.
Critical to the extended drain capabilities of AMSOIL motor oil, top quality VI
improvers ensure that the oil maintains its protective viscosity throughout
extended drain intervals. AMSOIL motor oils surpass North American AAMA,
Japanese JASO and European ACEA oil specifications for high temperature/high
shear viscosity, withstanding shearing forces which cause conventional oils to
thin out and lose viscosity. Oils with poor shear stability lose their
viscosity relatively quickly, losing their ability to protect against
metal-to-metal contact and wear, especially in high temperature conditions.
HIGH TBN
Combustion within the engine creates damaging, corrosive by-products. when
fuel, soot and water mix, sludge and varnish deposits form on critical engine
components. clogging oil passages, restricting oil flow and causing vital engine
components to stick and malfunction. The motor oil's ability to neutralize
acids and prevent the formation of sludge and varnish is critical to the life of
an engine. Another feature of AMSOIL motor oils is its high TBN, which
neutralizes acids and prevents corrosion, rust and other harmful effects of
sludge and varnish. Rust inhibition is an especially important feature for
engines subject to frequent short-trip operations and for stored engines.
DETERGENT/DISPERSANTS
Detergent/dispersants greatly reduce the formation of harmful sludge and
varnish deposits. By keeping combustion by-products dispersed within the
crankcase until they are removed by the oil filter, detergent/dispersants
prevent them from combining to form larger, more harmful particles. AMSOIL uses
top-of-the-line detergent/dispersant additives, keeping engines clean and
deposit-free for extended drains.
CLEAN BURNING FORMULATION
In order to lubricate the rings and cylinder walls in an engine, motor oil
is exposed to the heat and flame of burning gasoline. In the process, some of
the oil also burns off. AMSOIL motor oils are engineered to burn as cleanly as
possible, keeping combustion chamber walls clean and deposit- free and
preventing ring sticking and breakage, pinging, engine knock and other problems
that reduce an engine's efficiency.
ANTI-FOAM ADDITIVES
During engine operation, air in the crankcase gets whipped into the motor
oil, causing the oil to foam. The air bubbles within this foamed oil do not
always collapse, inhibiting heat transfer and impeding lubrication. AMSOIL
motor oils resist foaming, ensuring protection against the metal-to-metal
contact and wear that occurs with foamy oils.
By using only the highest quality
basestocks and additives, AMSOIL motor oils are capable of extended drain
intervals, al while maintaining performance, providing long-term wear protection
and fuel economy, keeping engines clean and deposit free, providing cold weather
starts and protecting against rust and corrosion.
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