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409,000-Mile Oil Drain Interval Mack Engine
Teardown
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409,000-Mile Oil Drain
Interval Mack Engine Teardown
After
409,000 miles without an oil change, the AMSOIL-protected
Mack E7-400 engine in this truck was as
wear-free as an engine in comparable service
treated to TWENTY TIMES the oil changes.
COLONIAL HEIGHTS, VIRGINIA
I didnt see any surprises in there at
all. Based on my experience with AMSOIL Motor
Oil, it came out the way we expected, said
owner/ operator Haywood Gray (right) of his 1990
Mack E7-400 engine. It came out in good shape,
exactly what youd expect for a well-maintained
engine with 630,000 miles. Yet the engines oil
had not been changed for 409,000 miles!
Gray began using AMSOIL
Synthetic Heavy-Duty Diesel and Marine 15W-40
Motor Oil (AME) in the E9-400 V-8 engine of his
first truck, a 1984 Mack, after the engine
accumulated 45,000 miles. For 280,000 miles,
Gray changed his oil at 40,000-to 60,000-mile
intervals though his oil analysis reports
showed, without exception, that the oil was good
for continued use. At 325,000 miles, Gray
increased his oil drain interval to 100,000
miles. The engine was torn down at 600,000 miles
when Gray decided to sell the truck. The
cylinder liners, bearings, pistons, rings and
oil pump, all treated to extended oil drain
intervals with AMSOIL, were found to be in
excellent condition. Gray continued using AMSOIL
AME in the engine of his new truck, a 1990 Mack
with a E7-400 engine. With the new truck,
instead of using 100,000 mile drain intervals,
Gray began basing his oil drains on the findings
of a used oil analysis program. He also
installed an AMSOIL By-Pass Oil Filter. After
630,000 miles total and 409,000 miles without an
oil change, the E7-400 engine was torn down by
the local Mack dealership in December 1996 and
its parts were examined by an engine rater from
a major oil additive manufacturer.
Findings
The engine showed light to moderate wear
throughout, just as an engine in similar service
and lubricated with conventional oil changed at
15,000- to 20,000-mile intervals would show. In
fact, according to the engine rater the parts he
examined cylinder liners, pistons, rings,
bearings, valve train components could have been
put right back in the engine and would have
continued to provide the good, dependable
service they had provided all along after
409,000 miles without an oil change!
Discussion
Many factors enable AMSOIL to be safely used 20
times longer than petroleum oils may be used:
Stability AMSOIL
Synthetic Heavy-Duty Diesel and Marine 15W-40
Motor Oil is far less prone to thermal and
oxidative breakdown than are petroleum oils.
Stability inhibits the formation of carbon
deposits, varnish, sludge and acids, which helps
the engine run clean and protected.
Neutralization ability
While rapid TBN loss often renders conventional
oils unfit for continued use, 12 Total Base
Number (TBN) AMSOIL Synthetic Heavy-Duty Diesel
and Marine15W-40 Motor Oil offers lasting
protection against engine corrosion.
Viscosity retention Some
conventional oils viscosity slips out of
specification within a few thousand miles of an
oil change. AMSOIL Synthetic Heavy-Duty Diesel
and Marine 15W-40 Motor Oil neither loses
viscosity as shear-prone oils do, which promotes
wear during high temperature operations, nor
gains viscosity as oxidation-prone oils do,
which promotes wear during startup and cold
temperature operations.
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The pins show
no wear at all. The piston crowns
and lands show a normal amount of
carbon. The skirts are very clean
with a few fine vertical lines.
Independent engine rater |
The rings are
very, very good. All the rings are
free. None are broken. No plugging
whatsoever in the oil rings.
Independent engine rater |
Probably 95
percent of the crosshatching is
still in the liners. No scuffing, no
cavitation in the liners. The liners
could go back in the condition
theyre in.
Independent engine rater |
Additional Demonstrations
Grays successful use of AMSOIL synthetic motor
oil in extended drain service is not unique.
AMSOIL has conducted demonstrations with fleets
all over North America. In each instance AMSOIL
has been proven safe and effective in extended
drain use. In fact, these studies show that
AMSOIL used in extended drain interval programs
consistently delivers lower rates of engine wear
than conventional oils used in conventional
drain interval programs.
The rater found the valve
train components showed, very light wear. Very
good. [I] find no wear on the shaft, which can
be a heavily loaded area.
Southern over-the-road fleet
AMSOIL was used in Cummins class 8 engines
for 75,000-mile drain intervals; the fleets
normal drain intervals were 15,000 miles.
Upper midwest grocery fleet
AMSOIL was used in Cummins NTC 350 engines
for 74,000-mile drain intervals; normal drain
intervals were 12,000 miles.
Northern grocery fleet
AMSOIL was used in Detroit Diesel Series 60
engines for 79,000-mile drain intervals; normal
drain intervals were 20,000 miles.
Virginia Beach, Virginia
owner/operator AMSOIL was used in Cummins
350 engine for 325,350 miles without a drain.
Midwestern trucking fleet
AMSOIL was used in Detroit Diesel Series 60
engines for 60,000-mile drain intervals; normal
drain intervals were 20,000 miles.
Northern tier over-the-road
fleet In an ongoing demonstration, AMSOIL
Series 3000 5W-30 is being used in a fleet of
Cummins N-14 engines for extended drain service
with oil drains based on the findings of used
oil analysis. One change was performed at one
year with 125,000 miles on the AMSOIL. The oil
was recommended for continued use. Normal oil
drains are done at 20,000 miles.
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Again, very,
very light wear. These could be put
right back in and used again. In an
extended drain program [with
petroleum oil] theres a possibility
you could see maybe half again as
much wear.
Independent
engine rater |
Light wear.
They compare to [those in] an engine
that had 15,000- to 20,000-mile
[petroleum] oil and filter changes.
Independent
engine rater |
Minimal wear.
These, too, compare to [those in] an
engine that had 15,000- to
20,000-mile [petroleum] oil and
filter changes.
Independent
engine rater |
Except for normal top polishing on the
push tubes the rater found, no wear to speak of.
These can go right back in the engine and be
used again. The push tubes were put back into
the engine and are in use today.
I see no reason why it [the engine]
couldnt run on. Independent engine rater
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AMSOIL Director of
Technical Sales Dave
Anderson (left) and
independent engine rater
Dick Maltby. |
WHAT MAKES
AMSOIL SO GOOD?
Synthetic basestocks, top-quality
additives, and most importantly,
more experience formulating
synthetic motor oils than any other
oil company, says AMSOIL Director of
Technical Sales Dave Anderson.
AMSOIL first
put a long-drain synthetic diesel
oil on the market in 1975 and since
then has introduced three other
long-drain synthetic diesel oils.
DOES AMSOIL
OFFER A WARRANTY?
Yes. AMSOIL warrants that the use of
its lubricants will not cause
mechanical damage to any
mechanically sound equipment when
AMSOIL products are used in full
compliance with AMSOIL
recommendations.
AMSOIL
extended drain interval
recommendations are set at a minimum
of two times or more than the engine
manufacturers recommendations as
determined by oil analysis. Diesel
operators who use AMSOIL for
extended drains are fully protected.
Studies have
proven time and again that extended
drain intervals with AMSOIL are a
win/win situation truckers win with
less downtime and oil expense and
they win big with reduced engine
wear. |
AMSOIL
Synthetic Heavy-Duty Diesel and Marine 15W-40
Motor Oil Aces Test!
Haywood Gray has his used oil
tested regularly to ensure the ongoing
serviceability of the oil and well-being of the
engine. In the engine oil report card, wear
metals tell the whole story. A high wear metal
content indicates a high rate of engine wear. In
fact, most engine manufacturers publish upper
limits on wear metals content at which an oil
must be changed to assure continued engine
protection. Even after 409,000 miles, AMSOIL
protected better than Mack limits required. Now
thats protection!
What Is
Oil Analysis?
Oil analysis is a maintenance management tool
that allows users to monitor equipment condition
for maximum equipment life, maximum lubricant
drain interval length and optimal downtime
scheduling. Oil analysis saves users significant
money by reducing equipment replacements and
repairs, reducing the volume of lubricant
purchased and destined for disposal and, most of
all, by reducing downtime.
Oil analysis customers like
Haywood Gray trendline their oil analyses.
Trendlining involves comparing the results of
previous oil analysis reports to those of the
most recent report to establish trends in wear
metals content, viscosity, acid content, acid
neutralization ability and other characteristics
as specified. Departures from established trends
indicate a change in engine or lubricant
condition and the information they provide may
be used to correct abnormal conditions before
they cause damage or failure.
AMSOIL
Oil Analysis
The AMSOIL oil analysis program puts
technologically advanced testing equipment in
the hands of experienced diagnosticians to
deliver accurate, reliable, useful results. |
I hope that this information is useful to you and answers your
questions. I am here to help
and answer any additional questions you may have, whether it be oil related or any other
component or system on any snowmobile, car, truck or other equipment.
If
you would like a FREE comprehensive packet of technical,
information, catalogs, specifications, retail and wholesale
prices, dealer application and other crucial information
regarding AMSOIL Ultra Premium Synthetic Motor Oils and
Filtration Products plus much, much more please e-mail us at dave@performanceoiltechnology.com
with your postal mailing address and your packet will be
shipped promptly. Your name and address will be held strictly
confidential.
Also,
please inform us of any other special interests you have (motorcycle, racing, etc.) so that we can include additional
material pertaining to your special interests and vehicles.
AMSOIL
is the undisputed leader in synthetics.............
AMSOIL
Synthetic Lubricants meet and far exceed ALL
manufacturer and API specifications.
With AMSOIL, you are using a superior product to ANY
manufacturer branded, or any other brand of lubricant.
We have documented and certified independent ASTM
and SAE test data to prove it, along with 35
years of world class performance and hundreds of millions of miles of on-the-road testing.

Since
1972, AMSOIL
Synthetics have proven to be the BEST.
AMSOIL also engineers and manufactures Ea Oil
Filters with Nanofiber Technology which have a 25,000 mile/1-year service life as well as
specialized filtration systems for commercial and fleet
applications in cars and light, medium and heavy trucks which
can filter particles down to less than one micron (a standard
full flow oil filter can only filter to 20-25 microns, and at
a reduced efficiency) making oil changes virtually
unnecessary and virtually eliminating engine wear.
These filters have been proven by millions of miles of
over-the road trucks, construction equipment and fleet
service.
- AMSOIL
saves you time and money.
- The
only 25,000 mile/one- year and 35,000/one- year motor oil
in the world.
- Exceeds
the most stringent performance specifications of all major
U.S. and foreign automotive and truck manufacturers.
- Provides up to five-times the wear protection of other motor oils.
- Increases
the life of your vehicle.
- Improves
performance, fuel economy and efficiency.
- Diesel
oil and filtration products designed to deliver 1,000,000
miles for over-the-road trucks before engine overhaul.
- Used
by many national racing teams, fleets, police departments,
construction firms and trucking companies.
Performance
Oil Technology is a skilled team of Engineers and Lubrication
and Filtration Specialists led by Dave Mann. Mr. Mann is an
AMSOIL Regency Platinum Six Star Direct Jobber, Detroit MI Truck/Automotive Engineer
and Lubrication Specialist with over 23years experience.
Direct Jobber Dave Mann Makes AMSOIL History
You too, can join our group
when you become an
AMSOIL
Dealer or Preferred Customer and take advantage of all that we offer as you
use products in your own vehicles or begin your own AMSOIL
business. Or you can simply purchase AMSOIL products at
wholesale prices with our Preferred Customer option. You won't find a more knowledgeable and skilled
group of Dealers anywhere which is very important when you
need support as use products and/or build your business.
In
addition, as a Dealer in our group you will receive exclusive
unlimited product, technical and business support from the
only group of Truck and Automotive Engineers and Lubrication
Specialists on the net.
We
do not only run our business on the internet. We also have
numerous commercial, industrial, trucking, excavating,
construction, logging, police, racing and many more accounts
that we support and service on a regular basis. We have
several fully stocked warehouses and fully equipped shop
facilities. This provides us with excellent knowledge of the
products, equipment and the business and the ability to respond
immediately to any of your needs. We will use this
knowledge and experience to help you get started so you too
can achieve your goals.
We
possess the skills, desire and knowledge to answer
questions, solve problems, improve efficiency, reduce
downtime, maintenance costs and increase the durability and
life of all of your vehicles. We are based out of
Wolverine Lake/Walled Lake, Mi and Traverse City, MI and do
business nationwide and in Canada.
Read what our
satisfied
customers have to say about us. Read through our
website. Contact us with any questions. If you decide to
become an AMSOIL Dealer you will be joining, in our
opinion, the most skilled AMSOIL group there is. We will help
you get started and provide you with the tools and information
in order to be successful in this business or with
technical and product assistance to use AMSOIL products in
your own vehicles.
If
you would like a FREE comprehensive packet of technical,
information, catalogs, specifications, retail and wholesale
prices, dealer application and other crucial information
regarding AMSOIL Ultra Premium Synthetic Motor Oils and
Filtration Products plus much, much more please e-mail us at dave@performanceoiltechnology.com
with your postal mailing address and your packet will be
shipped promptly. Your name and address will be held strictly
confidential.
Also,
please inform us of any special interests you have (diesel,
motorcycle, racing, etc.) so that we can include additional
material pertaining to your special interests and vehicles.
AMSOIL
is Proudly Made in the U.S.A. AMSOIL
is America's Oil.
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ASTM Comparative Motor Oil Testing
See Who
Came Out on Top!
AMSOIL 10W-30, Mobil 1 Extended
Performance, Quaker State
Advanced Full Synthetic, Penzoil
Platinum, Trop Arctic,
Motorcraft, Castrol GTX, Chevron
Supreme, Havoline, Formula
Shell, Penzoil
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AMSOIL Boosts Bottom Line for Grain
Hauler
Burnell Keller of Castroville, Texas hauls a lot of
corn. Saving downtime and maintenance costs boost his
bottom line.
Since the 1960s, Keller Grain, Inc., at Castroville has
bought high quality white and yellow corn from local
farmers and trucked it to processing plants across the
state of Texas. "These trucks put on about 12,000 miles
a month," said Keller, the company's owner.
He was running Exxon XD3-30 motor oil in his
Freightliner and changing it every 10,000 miles. He
heard AMSOIL products could cut his operating and
maintenance costs in half, provide better fuel economy,
easier starts and extended oil drains at least three
times longer than he was getting.
"We were fixing to extend the drain to 15,000 miles,"
Keller said. "But a sample of the Exxon motor oil
analyzed at 10,000 miles came back saying the oil needed
to be changed. I said, let's give AMSOIL a whirl."
After an engine flush, Keller installed AMSOIL 15W-40
Heavy Duty Diesel and Marine Oil in his Freightliner,
with more than 400,000 miles on the engine.
"We did this procedure three times at a 15,000-mile
analysis and filter change only," Keller said. "Each
time the oil sample report came back saying the oil was
good for continued use."
After the third round of analysis, the oil was changed.
Keller plans to continue with 15,000-mile analysis and
filter changes and to continue to use the same oil for
an interval of 50,000 miles.
"That's about five times longer than before," Keller
said. "It's very good. Keller Grain is now convinced
that AMSOIL is a superior product and that anybody can
save money using AMSOIL products." Dealer's Truck
Draws New Customers
"THIS TRUCK REQUIRES NO OIL CHANGE."
That's what people see on the streets of
Coopersburg, Pa., when AMSOIL Dealer Herb Lansberg
drives by in his 2002 Dodge Ram 2500 Cummins Turbo
Diesel.
The sign is emblazoned on his tailgate; AMSOIL logos
and contact numbers for Lansberg complete the
truck's design.
"It makes the phone ring," Lansberg said. "It's
really a great feeling when I'm sitting at a red
light and someone pulls up and yells over and asks
if I'm a Dealer and asks for a business card. I've
gotten new customers by simply pulling into a
parking lot at a store and when I return to my truck
there is someone waiting there to talk to me about
AMSOIL. I would have to say my truck does a very
good job of selling AMSOIL."
Lansberg changed his truck over to AMSOIL Series
3000 5W-30 Heavy Duty Diesel Oil and installed the
AMSOIL Dual Remote Filtration System at 3000 miles.
"I do oil analysis every four months, changing my
oil filters when needed," he said. He also uses
AMSOIL Automatic Transmission Fluid, AMSOIL gear
lube in the rear end, AMSOIL Antifreeze and Coolant
in the cooling system. Lansberg also uses AMSOIL
Diesel Fuel Modifier along with AMSOIL Cetane Boost.
"First thing I noticed was my engine ran 10 degrees
cooler," he said. "My transmission ran about 20
degrees cooler. And I know my gears are running
cooler. I have more than 30,000 miles on my Dodge
Cummins without an oil change."
Lansberg works his regular job as a machine shop
supervisor 10 hours a day and grows his AMSOIL
business after work and on weekends.
"My wife, Tammy, helps me out with customers that
stop in while I'm at work," he said.
He credits the signs on the truck, wearing AMSOIL
clothing and word of mouth for much of his success.
He also has a large "AMSOIL Synthetic Lubricants"
sign on the front of his house that he spot lights
at night.
On one occasion he was in a tractor supply store
wearing an AMSOIL shirt and it prompted another
customer there to ask Lansberg if he sold diesel
oil. Lansberg said he had some on hand at home.
"He followed me home and purchased the Series 3000
Heavy Duty Diesel Oil and a Super Duty Oil Filter
for his GMC Diesel van that he runs freight in more
than 7,000 miles a month," Lansberg said. "Now he
stops every two or three months for oil and air
filters."
Since he started his AMSOIL business about two years
ago, Lansberg has seen steady growth. He added a
website and a toll-free number to his cell phone to
handle customer calls.
"The Dealers and Preferred Customers and some of my
accounts came from my website" he said.
He will begin displaying AMSOIL products at car
shows this spring.
"I have some customers who go the full distance of
the drain intervals and some who just like to change
earlier," he said. "They like knowing they're
protecting their investment with the very best
synthetic motor oil on the market.
"I enjoy meeting new people all the time and seeing
the expression on their faces when I explain to them
what AMSOIL synthetic lubricants are capable of
doing."
From the President's Desk...
I was recently taking inventory of all the outstanding products we
manufacture when it occurred to me that some of our best products are
often the least promoted. Those would be our By-Pass Oil Filter Systems.
That's when I decided to tell you a little more about these incredibly
effective filters in my message this month and encourage you to install
one on your vehicle.
Have you seen one of these beautiful oil filters? There's really
nothing like them on the market today. The filter mounts are computer
machined anodized aluminum and produced to aircraft tolerances, meaning
they meet the most exacting fit and machining tolerances. Every part is
of the highest quality, built to provide many years of trouble-free
service. High flow porting, large diameter nuts and bolts with stainless
steel washers for secure mounting under the hood, reinforced hoses with
abrasion resistant covering, strong, easy connecting swivel hose-end
fittings, this filter mount is built to last!
Our Spin-On By-Pass Filter itself is simply the best oil filter made.
Where normal full flow filters take out the "nuts and bolts" in the
crankcase (25-40 microns), our by-pass filter removes sub-micron
particles down to one tenth of a micron. When you consider that most
engine wear occurs from dirt particles in the 5 micron to 20 micron
range, it's easy to understand why we say our filter eliminates the
cause of most engine wear.
With the AMSOIL By-Pass Filter installed, motor oil is kept
analytically clean and suitable for use over dramatically extended drain
intervals. As a matter of fact, many drivers may never need to change
oil again for as long as they own their vehicle! That may seem like a
strong statement, but the fact is synthetic oil does not wear out, it
just eventually becomes too contaminated for continued use. Keeping it
analytically clean extends its life indefinitely.
Most of you are familiar with Haywood Gray's 409,000-mile drain
interval using AMSOIL 15W-40 Diesel Oil and our By-Pass Oil Filter.
After going twenty times the drain interval recommended for his Mack
E7-400 diesel engine, his local Mack dealership disassembled his engine
and had the parts examined for wear by a certified engine rater. The
results were predictable as far as AMSOIL was concerned. Very light
wear, if any. In fact, many of the parts including the piston pins
showed no wear at all. All the parts could have been re-installed in the
engine for continued use. That's after 409,000 miles on one oil change!
How many people even drive their vehicles 409,000 miles? That's more
miles than many vehicles get on them in a lifetime of use. So when we
say never change oil again, for many drivers, that's exactly what we
mean! And consider this was a diesel engine. Diesels inherently produce
more combustion soot and solid contaminants for the oil to disperse and
the filter to remove. In all likelihood, if this had been a gasoline
engine, it could have been used much longer with similar results.
A few years ago, a state transportation department tested our By-Pass
Filter in some of their school busses. The test results confirmed the
fact that they would realize significant maintenance and labor savings
by using our filter in their entire fleet. Today, they insist our
By-Pass Filter be original equipment on all the new school busses they
purchase. They now have 1,500 busses equipped with our filters and the
number is growing as they add new busses. What a tremendous testimonial!
Our incredible oil filtration system is a product often overlooked by
our Dealers. I have heard some say that most people don't keep their
vehicle long enough to warrant using a by-pass oil filter. No matter how
long you keep a vehicle, it is very convenient not having to change oil.
And it adds value to a vehicle. I personally know of someone who had a
waiting list of people wanting to buy his car because they knew how well
he took care of it. That included his use of an AMSOIL By-Pass Oil
Filter and our synthetic oil.
The AMSOIL By-Pass Oil Filters are designed to be easy to install and
cost effective to use. All you have to do is look at one to realize the
quality built into it. If I were an AMSOIL Dealer, I wouldn't own a
vehicle without having one of these incredible filtration systems
installed. Then I could speak from experience about how well they work
and how cost effective they are to use.
Can you imagine the reaction you'll get when you look people in the eye
and tell them you never change the oil in your vehicle? Most people
won't believe you. But what a testimony it will be to the quality of AMSOIL Synthetic Motor Oil you sell and to the phenomenal filtering
capability of your AMSOIL By-Pass Filtration System!
A.J. "Al" Amatuzio
President and CEO, AMSOIL INC.
Sharing The Miles Together
Haywood Gray and His AMSOIL Legacy
It is no coincidence that the name Haywood "Woody" Gray holds a special
significance in AMSOIL circles. Gray's story has been featured in dozens
of publications including AMSOIL's Action News, Service Line, Direct
Line, a small library of brochures and pamphlets and even video tapes
documenting his experiences with AMSOIL extended drain intervals. His
experiences stand as an example of AMSOIL quality and cost savings for
all to see.
Way Back When The Old Stuff Was New
Haywood Gray began using AMSOIL Synthetic Heavy-Duty Diesel and Marine
15W-40 Motor Oil (AME) in the E9-400 V-8 engine of his first truck, a
1984 Mack, after the engine accumulated 45,000 miles. For 280,000 miles,
Gray changed his oil at 40,000- to 60,000-mile intervals even though his
oil analysis reports showed, without exception, that the oil was good
for continued use. At 325,060 miles Gray increased his oil drain
interval to 100,000 miles.
The engine was torn down at 600,000 miles when Gray decided to sell the
truck. The cylinder liners, bearings, pistons, rings and oil pump, which
were all treated to extended oil drain intervals with AMSOIL, were found
to be in excellent condition.
Gray continued using AMSOIL AME in the engine of his new truck, a 1990
Mack with an E7-400 engine. He also determined that the new truck would
also be the start of a new oil-draining program. He decided that instead
of using his previous 100,000-mile oil change guidelines, he would base
his oil drains on the findings of a used oil analysis program. He also
installed an AMSOIL By-Pass Filtration system.
After 630,000 miles total and 409,000 miles without an oil change, the
E7-400 engine was torn down by the local Mack dealership in December
1996 and its parts were examined by an engine rater from a major oil
additive manufacturer.
What the team found was surprising to everyone except perhaps Haywood
Gray.
The engine showed light to moderate wear throughout, just as an engine
in similar service and lubricated with conventional petroleum oil
changed at 20,000 mile intervals would show. In addition, according to
the engine rater, the parts he examined - cylinder liners, pistons,
rings, bearings, valve train components could have been put right back
in the engine and would have continued to provide the good, dependable
service they had provided all along. And all this after 409,000 miles
without an oil change!
What's Woody doing now?
Gray now drives a 1999 Mack with an ET 460 engine, an Eaton 13 speed
transmission and 386 Eaton rears. As soon as he bought the truck it was
retrofitted with AMSOIL 75W90 Gear Lube and the engine changed over to
his old favorite - AMSOIL Synthetic Heavy-Duty Diesel and Marine 15W-40
Motor Oil. He also had a BMK-12 ByPass Filtration system installed.
As of July 2003, Gray has over 330,000 miles on the engine, and has
racked up 290,000 miles without an oil change. He has decided to change
filters and take oil samples at 40,000-mile intervals. So far, the
samples have shown that the oil has not needed to be changed. Soot
levels have also remained well within the recommended Mack limits. The
truck is greased with AMSOIL products every 40,000 miles when it is time
for a filter change.
Gray likes to point out that his fuel mileage is a constant 7-mpg, while
other truckers hauling under similar circumstances and with similar
equipment average only 5.5 to 6 mpg. But he also knows that's just one
of the many benefits AMSOIL has to offer.
How to Cut Costs as an Owner-Operator
Mike Geho (from Mertz, WV), an owner-operator of a 1997 Mack CH613
truck, says that he has always been looking for ways to operate his
truck more efficiently. Geho, like most owner-operators, looks to get
the lowest cost per mile when operating his truck, but he says that the
best choices also offer long term benefits.
"Proper maintenance is essential to success in trucking," Geho said.
"Smart truck owners use the very best maintenance practices to protect
their equipment. And considering which oil to use is often a very
important decision." Geho says that he prefers synthetics to
conventional oils because of the many benefits such as a constant
viscosity in high and low temperatures, low volatility and superior
friction reduction for better fuel mileage.
But Geho believes that by-pass filtration combined with periodic oil
analysis is an even greater way synthetics can save truckers money.
"When I began investigating engine oils," Geho said, "my main focus was
on extended drains. I have been driving over the road for the last nine
years, and the last six as an owner-operator. I understand how valuable
time can be. Naturally, saving time by operating with extended drain
intervals appealed to me."
Geho took the time to compare many different diesel engine oils. He
checked to see which could lower his cost per mile by increasing fuel
economy and reducing time and money spent on maintenance and engine
wear. After comparing many brands, Geho chose AMSOIL synthetic motor
oil.
Geho has been using AMSOIL Series 3000 5W-30 Synthetic Diesel Engine Oil
along with an AMSOIL Dual-Guard By-Pass Filtration System in his truck
for three years. His truck had 176,000 miles on it when he began using
synthetic oil. At that time he also installed his by-pass filtration
unit.
"At the time I bought this truck," Geho said, "the company I am leased
to bought a number of identical trucks for their fleet. All of these
trucks have been operating under the same conditions (environment, type
of hauling, distances traveled) since that time. The trucks also have a
dash-mounted digital display indicating lifetime average fuel economy.
To date, my tractor's average is 6.78 mpg and the company trucks range
from 5.8 to 6.2 mpg. The difference between my 6.78 and the fleet
average of 6.0 is over 11 percent. I attribute this significant savings
to running AMSOIL motor oil in my truck, while the others in the company
do not."
Geho changes his full-flow and by-pass filters on a regular basis, and
he also samples his oil at 20,000-mile intervals to monitor the oil's
condition. He started this maintenance practice at 176,000 miles and has
not changed the oil in his engine since. His truck now has 412,000 miles
on it, and 236,000 of those miles have been put on while running the
original AMSOIL diesel engine oil. And Geho probably won't be changing
the oil soon, because a recent analysis report from Oil Analyzers INC.
reports that the oil is suitable for continued use.
Geho wants other owner-operators to know that this type of maintenance
practice has many benefits. "Most operators could experience savings of
at least two cents per mile," Geho said, 'which would be $2000 to $5000
per year. That's not including the savings in fuel and disposal costs of
oil and filters. These are just some of the positive effects that using
synthetics can have on the environment as well as your bottom line."

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