| Amsoil synthetic lubricants proven very cost effective in fleet school bus testing. |
AMSOIL Proves Superior in Clark County Field Test
In order to demonstrate the effectiveness of
AMSOIL 15W-40 Synthetic Heavy Duty Diesel
and Marine Motor Oil and the AMSOIL Dual-
Gard filtration system in reducing operating
expenses, AMSOIL and Direct Dealer Bill Andes
began an ongoing field test in October 1998
with the bus fleet of the Clark County Board of
Mental Retardation & Developmental Disabilities
(MR/DD) in Springfield, Ohio.
Participating in the field test are three 1997
International 3800 school buses, two equipped
with International 466 diesel engines and one
with an International 466E diesel engine. Each
had previously been running a conventional
petroleum-based oil.
Prior to starting the field test, four goals were set:
1. The reduction of fuel consumption through the superior lubricity and reduced viscometric drag
provided by AMSOIL 15W-40 Synthetic Heavy Duty Diesel and Marine Motor Oil. Verification of this goal
will be obtained by com-paring previously documented fuel mileage reports using petroleum oils with
fuel mileage reports of the same vehicles now using AMSOIL diesel oil.
2. The extension of fluid drain intervals due to the superior synthetic chemistry and additive system
of AMSOIL Synthetic Heavy Duty Diesel and Marine Motor Oil, along with the additional efficiency
pro-vided by the AMSOIL Dual-Gard filtration system.
3. The reduction of maintenance costs due to the superior wear protection and extended drain
intervals provided by AMSOIL Synthetic Heavy Duty Diesel and Marine Motor Oil and the AMSOIL
Dual-Gard filtration system.
4. Provide the above-mentioned benefits without com-promising the mechanical integrity of
the equipment.
Baseline samples of the petroleum oil already in the crankcase were obtained, tested and documented.
Next, the oil was drained and the engines flushed with AMSOIL Engine Flush. AMSOIL BMK-12 Filter
Mounts, two BE-110 By-pass Filtration elements and AMSOIL 15W-40 Synthetic Heavy Duty Diesel and
Marine Motor Oil were installed in each vehicle.
Oil samples from each bus are drawn and tested at 4000-mile intervals, the normal oil drain interval
practiced by MR/DD when using conventional lubricants. Data obtained from the oil samples serves to
determine the following:
1. Fluid and vehicle baselines
2. The mechanical condition of the vehicles
3. Ability of the equipment to continue functioning as a demonstration vehicle
4. Rate of internal equipment wear
5. Serviceability of fluids and filters
Once drawn, each oil sample is reviewed in the areas of elemental analysis (including wear metals,
contaminates and additives), physical properties (including viscosity, total acid number and total base
number) and contamination (including water, solids, glycol, oxidation, fuel soot and fuel dilution). Oil
condemnation limits vary due to individual engine idiosyncrasies, operating conditions and time the fluid
has been in service.
Bus Number Miles on AMSOIL without # of petroleum oil # of Amsoil oil changes
being changed changes ( based on { based on proposed
4,000 mile interval ) 10,000 mile Interval
4 45,465 12 5
7 71,185 18 8
22 65,776 17 7
Observations
As of May 1, 2001, the buses had accumulated a total of 182,426 miles without oil changes, and several
benefits associated with running the AMSOIL products have been realized. First, both labor and vehicle
downtime have been reduced. While using the previous petroleum-based motor oil, the Clark County
Board of MR/DD was accustomed to changing oil at 4,000-mile intervals. They now plan to extend their
intervals to 10,000 miles and beyond if supported by oil analysis results. The chart below shows the
comparison figures.
As for the aftermarket full flow oil filters, the original intention was to change them every 6,000 to 10,000
miles, but after careful review of oil analysis results, it was determined that because of the efficiency of
the AMSOIL Dual-Gard filtration system, 10,000- to 12,000-mile intervals were easily obtainable on the
full-flow filters.
For demonstration purposes, the BE-110 filter elements remained unchanged for a 2-year period.
However, after review, it was deter-mined that under normal conditions it would be beneficial to change
them after a 40,000- to 50,000-mile interval.
Engine wear rates have decreased significantly since changing to AMSOIL 15W-40 Synthetic Heavy
Duty Diesel and Marine Motor Oil. High temperature operating conditions have also been reduced. This
leads to enhanced engine protection, and ultimately, to longer engine life. Because the engines have
been operating more efficiently, three to five percent gains in fuel economy have also been realized.
The chart below compares the levels of wear particles present in the previous conventional oil with the
levels present in the AMSOIL as of May 2001. The condition of the AMSOIL at various testing intervals
is documented below.
Conclusion
Overall, this field demonstration was highly successful for AMSOIL. The oil analysis data indicate that
AMSOIL products deliver uncompromising protection and performance. AMSOIL provides longer
equipment life and reduced downtime, longer drain intervals, significant decreases in wear rates and
operating temperatures and dramatic improvement in engine performance when compared to
conventional petroleum oils.
Oil Analysis - Bus #4
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
3883 11.6 7.8 4.3 12.7 1.7 1 2 7
5378 12.3 23.3 8.6 9.9 20 3 4 8
9700 14.0 4.4 7.1 13.0 40 2 4 8
22885 12.0 7.8 15.7 12.1 89 3 11 7
34059 12.4 21.1 15.7 12.4 134 5 30 12
45465 12.2 20.0 18.6 11.9 146 7 35 16
--------------------------------------------------------------------------------
Oil Analysis - Bus #7
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
3614 12.8 1.0 2.8 12.9 5 1 1 6
4126 13.6 3.3 4.3 9.8 9 3 3 7
10607 13.9 2.2 10.0 11.9 12 2 2 6
22428 12.9 10.0 10.0 12.2 30 5 27 8
31569 13.2 15.6 14.3 11.0 28 1 12 5
42647 13.6 25.6 18.6 10.6 61 12 38 9
58055 14.0 27.8 21.4 10.5 73 20 30 10
71185 14.2 17.8 20.0 10.7 53 16 14 6
--------------------------------------------------------------------------------
Oil Analysis - Bus #22
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
2732 13.4 1.1 2.8 7.8 7 2 12 6
3680 12.3 7.8 4.3 12.8 8 1 1 8
14329 12.5 5.6 10.0 12.9 14 4 3 6
20905 13.4 11.1 10.0 12.3 26 7 5 8
30671 12.8 6.7 11.4 9.1 28 6 6 7
41196 13.1 16.7 14.3 11.7 36 6 11 7
52983 13.7 21.1 15.7 11.2 44 7 19 7
65776 13.8 12.2 14.3 11.0 49 0 10 8
--------------------------------------------------------------------------------
Oil Analysis Comparison:
Petroleum Oil at 4,000 miles vs. AMSOIL Motor Oil at 45,465 miles to 71,185 miles
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #4 Iron (Fe) Rotella 170 AMSOIL 146 - 14%
Copper (Cu) 34 35 + 3%
Aluminum (Al) 68 16 - 76%
Lead (Pb) 26 7 - 73%
Average - 44%
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #7 Iron (Fe) Rotella 126 AMSOIL 53 -58%
Copper (Cu) 42 14 -67%
Aluminum (Al) 98 6 -94%
Lead (Pb) 4 2
Average -70%
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #22 Iron (Fe) Rotella 136 AMSOIL 49 - 64%
Copper (Cu) 234 10 - 96%
Aluminum (Al) 17 8 - 93%
Lead (Pb) 39 0 -100
In order to demonstrate the effectiveness of
AMSOIL 15W-40 Synthetic Heavy Duty Diesel
and Marine Motor Oil and the AMSOIL Dual-
Gard filtration system in reducing operating
expenses, AMSOIL and Direct Dealer Bill Andes
began an ongoing field test in October 1998
with the bus fleet of the Clark County Board of
Mental Retardation & Developmental Disabilities
(MR/DD) in Springfield, Ohio.
Participating in the field test are three 1997
International 3800 school buses, two equipped
with International 466 diesel engines and one
with an International 466E diesel engine. Each
had previously been running a conventional
petroleum-based oil.
Prior to starting the field test, four goals were set:
1. The reduction of fuel consumption through the superior lubricity and reduced viscometric drag
provided by AMSOIL 15W-40 Synthetic Heavy Duty Diesel and Marine Motor Oil. Verification of this goal
will be obtained by com-paring previously documented fuel mileage reports using petroleum oils with
fuel mileage reports of the same vehicles now using AMSOIL diesel oil.
2. The extension of fluid drain intervals due to the superior synthetic chemistry and additive system
of AMSOIL Synthetic Heavy Duty Diesel and Marine Motor Oil, along with the additional efficiency
pro-vided by the AMSOIL Dual-Gard filtration system.
3. The reduction of maintenance costs due to the superior wear protection and extended drain
intervals provided by AMSOIL Synthetic Heavy Duty Diesel and Marine Motor Oil and the AMSOIL
Dual-Gard filtration system.
4. Provide the above-mentioned benefits without com-promising the mechanical integrity of
the equipment.
Baseline samples of the petroleum oil already in the crankcase were obtained, tested and documented.
Next, the oil was drained and the engines flushed with AMSOIL Engine Flush. AMSOIL BMK-12 Filter
Mounts, two BE-110 By-pass Filtration elements and AMSOIL 15W-40 Synthetic Heavy Duty Diesel and
Marine Motor Oil were installed in each vehicle.
Oil samples from each bus are drawn and tested at 4000-mile intervals, the normal oil drain interval
practiced by MR/DD when using conventional lubricants. Data obtained from the oil samples serves to
determine the following:
1. Fluid and vehicle baselines
2. The mechanical condition of the vehicles
3. Ability of the equipment to continue functioning as a demonstration vehicle
4. Rate of internal equipment wear
5. Serviceability of fluids and filters
Once drawn, each oil sample is reviewed in the areas of elemental analysis (including wear metals,
contaminates and additives), physical properties (including viscosity, total acid number and total base
number) and contamination (including water, solids, glycol, oxidation, fuel soot and fuel dilution). Oil
condemnation limits vary due to individual engine idiosyncrasies, operating conditions and time the fluid
has been in service.
Bus Number Miles on AMSOIL without # of petroleum oil # of Amsoil oil changes
being changed changes ( based on { based on proposed
4,000 mile interval ) 10,000 mile Interval
4 45,465 12 5
7 71,185 18 8
22 65,776 17 7
Observations
As of May 1, 2001, the buses had accumulated a total of 182,426 miles without oil changes, and several
benefits associated with running the AMSOIL products have been realized. First, both labor and vehicle
downtime have been reduced. While using the previous petroleum-based motor oil, the Clark County
Board of MR/DD was accustomed to changing oil at 4,000-mile intervals. They now plan to extend their
intervals to 10,000 miles and beyond if supported by oil analysis results. The chart below shows the
comparison figures.
As for the aftermarket full flow oil filters, the original intention was to change them every 6,000 to 10,000
miles, but after careful review of oil analysis results, it was determined that because of the efficiency of
the AMSOIL Dual-Gard filtration system, 10,000- to 12,000-mile intervals were easily obtainable on the
full-flow filters.
For demonstration purposes, the BE-110 filter elements remained unchanged for a 2-year period.
However, after review, it was deter-mined that under normal conditions it would be beneficial to change
them after a 40,000- to 50,000-mile interval.
Engine wear rates have decreased significantly since changing to AMSOIL 15W-40 Synthetic Heavy
Duty Diesel and Marine Motor Oil. High temperature operating conditions have also been reduced. This
leads to enhanced engine protection, and ultimately, to longer engine life. Because the engines have
been operating more efficiently, three to five percent gains in fuel economy have also been realized.
The chart below compares the levels of wear particles present in the previous conventional oil with the
levels present in the AMSOIL as of May 2001. The condition of the AMSOIL at various testing intervals
is documented below.
Conclusion
Overall, this field demonstration was highly successful for AMSOIL. The oil analysis data indicate that
AMSOIL products deliver uncompromising protection and performance. AMSOIL provides longer
equipment life and reduced downtime, longer drain intervals, significant decreases in wear rates and
operating temperatures and dramatic improvement in engine performance when compared to
conventional petroleum oils.
Oil Analysis - Bus #4
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
3883 11.6 7.8 4.3 12.7 1.7 1 2 7
5378 12.3 23.3 8.6 9.9 20 3 4 8
9700 14.0 4.4 7.1 13.0 40 2 4 8
22885 12.0 7.8 15.7 12.1 89 3 11 7
34059 12.4 21.1 15.7 12.4 134 5 30 12
45465 12.2 20.0 18.6 11.9 146 7 35 16
--------------------------------------------------------------------------------
Oil Analysis - Bus #7
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
3614 12.8 1.0 2.8 12.9 5 1 1 6
4126 13.6 3.3 4.3 9.8 9 3 3 7
10607 13.9 2.2 10.0 11.9 12 2 2 6
22428 12.9 10.0 10.0 12.2 30 5 27 8
31569 13.2 15.6 14.3 11.0 28 1 12 5
42647 13.6 25.6 18.6 10.6 61 12 38 9
58055 14.0 27.8 21.4 10.5 73 20 30 10
71185 14.2 17.8 20.0 10.7 53 16 14 6
--------------------------------------------------------------------------------
Oil Analysis - Bus #22
Percent (%) of the amount allowable Parts Per Million (ppm)
Mileage Viscosity OXD NOX TBN Fe Pb Cu Al
100-C Iron Lead Copper Aluminum
0 15.2 0.0 0.0 12.0 0 0 0 0
2732 13.4 1.1 2.8 7.8 7 2 12 6
3680 12.3 7.8 4.3 12.8 8 1 1 8
14329 12.5 5.6 10.0 12.9 14 4 3 6
20905 13.4 11.1 10.0 12.3 26 7 5 8
30671 12.8 6.7 11.4 9.1 28 6 6 7
41196 13.1 16.7 14.3 11.7 36 6 11 7
52983 13.7 21.1 15.7 11.2 44 7 19 7
65776 13.8 12.2 14.3 11.0 49 0 10 8
--------------------------------------------------------------------------------
Oil Analysis Comparison:
Petroleum Oil at 4,000 miles vs. AMSOIL Motor Oil at 45,465 miles to 71,185 miles
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #4 Iron (Fe) Rotella 170 AMSOIL 146 - 14%
Copper (Cu) 34 35 + 3%
Aluminum (Al) 68 16 - 76%
Lead (Pb) 26 7 - 73%
Average - 44%
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #7 Iron (Fe) Rotella 126 AMSOIL 53 -58%
Copper (Cu) 42 14 -67%
Aluminum (Al) 98 6 -94%
Lead (Pb) 4 2
Average -70%
Vehicle Metal Type of Oil Parts Per Million Type of Oil Parts Per Million % Reduction
Bus #22 Iron (Fe) Rotella 136 AMSOIL 49 - 64%
Copper (Cu) 234 10 - 96%
Aluminum (Al) 17 8 - 93%
Lead (Pb) 39 0 -100
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