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Oil Color, Lubrication Ability and Contamination level
AMSOIL
Synthetic Lubricants are designed and
engineered for extended drain service. The color of the AMSOIL on your dipstick
(or ANY
oil for that matter) has absolutely no bearing on whether or not
the oil is suitable for continued use or if it should be drained and replaced.
Use the recommended change intervals for both the oil and engine filters as
specified by AMSOIL.
It is a common misconception that an oil’s
color is an indication of how dirty the oil is. This is absolutely
NOT TRUE. The color of an oil does not have any
bearing on its lubrication ability. Most oil and especially diesel oil will turn
black in the first few hours of operation due to contaminates generated by the
combustion process and soot particles. The ONLY
way to accurately determine an oil’s lubricating value or contamination level is
through (spectrographic) oil analysis. Oil analysis is common practice used
regularly in commercial, industrial, and fleet operations and can also be used
for passenger cars, light trucks or any other application. In addition oil
analysis will also determine the exact parts per million (ppm) of wear metals in
your oil which provides an indication of any abnormal wear or specific
components that need mechanical inspection in addition to checking for any fuel,
water or glycol contamination. *At the end of this section you will find a
listing of what oil analysis testing checks for.
The useful life of an engine oil is dependent
on several factors such as quality of the oil, type of fuel, equipment
condition, type and operating environment of the equipment and, most important,
the type of filtration used. The filtration system and the oil are vital tools
for preserving engine life. A highly efficient filter is essential to protect an
engine by removing both liquid and abrasive contaminants held in suspension by a
high quality premium oil such as AMSOIL.
When using AMSOIL Synthetic Lubricants for extended drain intervals the AMSOIL
Absolute Efficiency Oil Filter must be changed at 25,000 miles/1-year for
gasoline or diesel powered engines under normal service conditions.
If the AMSOIL Dual-Gard or Dual-remote By-Pass
Filtration Systems are used then the AMSOIL Ea full flow engine filter
must be changed at the same intervals as specified above and the by-pass filter(s) changed as indicated by oil analysis results. The oil does not need to
be changed when using by-pass filtration unless oil analysis testing indicates
it is necessary.
It is not uncommon to get several hundred
thousand or more miles on the AMSOIL when using by-pass filtration. A Mack
Dealership recently performed a teardown inspection on a 1990 Mack E7-400 diesel
engine with 630,000 miles total and 409,000 miles
without an oil change and its parts were examined by an engine rater
from a major oil additive raw materials manufacturer and supplier. The engine
showed light to moderate wear throughout, just as an engine in similar service
and lubricated with conventional oil changed at 15,000-20,000 mile intervals (as
is common with over-the-road semi-trucks) would show. In fact, according to the
engine rater the parts examined- cylinder liners, pistons, rings, bearings,
valve train components- could have been put right back into the engine and would
have continued to provided the good, dependable service they had provided all
along- after 409,000 miles without an oil change!
If you would like the full detailed report and photographs of this
teardown inspection please
CLICK HERE.
* Oil
Analysis Report Items Include:
-
Component miles, oil miles, last oil change
miles
-
% presence of glycol, water, fuel
-
viscosity @40 deg. C. and at 100deg. C.
-
% solids
-
soot, oxidation %, NOX%, TBN, TAN
-
% iron, chromium, lead, copper, tin,
aluminum, nickel, silver, manganese, silicon, boron, sodium, magnesium,
calcium, barium, phosphorous, zinc, molybdenum, titanium, vanadium and cadmium
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recommendations and additional test results
T's Advanced Synthetics
Greg and Marcy Thurman
Your Nationwide
AMSOIL
Authorized Independent
Dealer
Nationwide US Warehouses,
Canada and Palm Harbor, FL
727-798-8552
E-Mail:
greg@tsadvancedsynthetics.com
If you
experience problems or have questions or comments about
our website please email us at
greg@tsadvancedsynthetics.com
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