XADO-SAE J-1321 Testing Completed

May 29, 2008

CLAUDE TRAVIS AND ASSOCIATES, LLC.  
FLEET CONSULTANTS 
2550 Holtman Dr. NE  
Grand Rapids, MI 49525 
 
Claude J. Travis office 616-364-0869  
Scott C. Travis Sr. cell 616-901-9034 
 
April 22, 2008 
 
The Effect of XADO Metal Conditioner on the Fuel 
Consumption of a Class VIII Tractor-Trailer Combination 
Vehicle 
 
CONDUCTED BY: PREPARED FOR: 
 
Claude Travis and Associates XADO America, LLC.  
2550 Holtman Drive N.E. 3006 South Seneca  
Grand Rapids, MI 49525 Wichita, KS 67217 
 
OBJECTIVE:  
This test series was conducted to determine the effect on 
fuel economy when XADO Metal Conditioner was blended with 
the engine oil of a Class VIII tractor-trailer combination 
vehicle. 
 
TEST VEHICLES:  
Both vehicles were mechanically identical and are further 
described in detail in the full report. 
 
Mileage odometer readings, before the test began, were as 
follows: 
 
Unit 61559 at 246,029 miles and unit 61560 at 183,202 
miles. 
 
 
SUMMARY OF RESULTS:  
In the terms of SAE Procedure J1321, test results were as 
follows: 
 
Test Series No. Test Speed % Fuel Saved % Improvement 
 
1 62 mph 2.02 % 2.06 % 
 
CUMMINS ENGINE CO. DYNAMOMETER TEST RESULTS:  
Test Vehicle 
61560 
Blow-By Test 
Jan. Apr. % 
14" 12" 14.3% 
Horsepower Test  
Jan. Apr % 
374 380 1.6%  
Control Vehicle  
61559 8" 8" 0% 398 396 -.5%  
CONCLUSION: 
 
The installation of XADO Metal Conditioner in the diesel 
engine used to power the test vehicles demonstrated a 
significant improvement in fuel economy. XADO Metal 
Conditioner used in this test series also resulted in an 
increase of horse power coupled with a marked reduction in 
engine "blow-by", which will contribute to increased engine 
miles to overhaul. 
 
REPORT PREPARED BY: Claude J. Travis April 22, 2008 
 
 
THE EFFECT OF XADO METAL CONDITIONER  
ON THE FUEL CONSUMPTION  
OF A CLASS VIII TRACTOR-TRAILER  
COMBINATION VEHICLE 
 
 
Conducted By:  
CLAUDE TRAVIS AND ASSOCIATES  
Fleet Consultants  
Report prepared by:  
CLAUDE J. TRAVIS  
Date:  
Type of report:  
Prepared for:  
April 22, 2008  
Final  
XADO America, LLC.  
3006 South Seneca  
Wichita, KS 67217 
 
 
ABSTRACT 
 
PURPOSE 
 
This test series was conducted to determine the effect on 
fuel economy when XADO Metal Conditioner was used in the 
oil to lubricate the engines of Class VIII tractor-trailer 
combination vehicles. 
 
SUMMARY OF RESULTS 
 
In the terms of SAE Procedure J1321, test results were as 
follows: 
 
Test # Tractor # Test Speed %Fuel Saved %Improvement 
 
61560 62 mph 2.02 % 2.06% 
 
 
 
TABLE OF CONTENTS 
 
Section Title Page  
Abstract 
Table of Contents 
 
1.0 Introduction 1 
 
2.0 Objective 1 
 
3.0 Approach 1 
 
4.0 Test Procedure 1 
 
5.0 Test Course 3 
 
6.0 Test Vehicles 4 
 
7.0 Test Fuel 6 
 
8.0 Fuel Saving Device 7 
 
9.0 Instrumentation 7 
 
10.0 Test Results 8 
 
11.0 Summary 9 
 
12.0 Conclusion 11 
 
APPENDICIES 
 
I SAE J1321 Test Procedure  
II Raw Data Reduction Forms  
III Vehicle Weights  
IV Chassis Dynamometer Test Results  
V Official Weather Data 
 
1.0  
INTRODUCTION  
The fuel economy tests described herein were performed by 
Claude Travis and Associates, Fleet Consultants, 2550 
Holtman Drive N.E., Grand Rapids, Michigan 49525. 
 
2.0  
OBJECTIVE  
The objective of the test was to measure the difference in 
fuel consumption when operating a Class VIII 
tractor-trailer combination vehicle with and without the 
engine oil being blended with XADO Metal  
Conditioner. The objective of tests 2 & 3 was to 
demonstrate repeatability. 
 
3.0  
APPROACH The fuel economy procedure performed was the 
TMC/SAE Fuel Consumption Test Procedure Type II, SAE J1321. 
The test data was obtained using the gravimetric fuel tank 
weigh method.  
4.0  
Test Procedure  
The test procedure is found in SAE J1321. Modifications 
were required. See 4.5  
4.1 All vehicles operated with lights on and windshield 
wipers off.  
4.2 All windows were closed, or open equal amounts.  
4.3 Portable fuel tanks were positioned identically on both 
vehicles, above the frame rails & behind the cab.  
4.4 Cab heater fan motors were used in position one (low) 
during the entire test period. Air conditioners were not 
operational and engine cooling fan hubs were blocked in 
"on" position on both trucks.  
4.5 The test product specifications required that the 
blending of XADO Metal Conditioner with the engine oil be 
at the completion of the baseline segment of SAE J1321 and 
be used for 10,000 miles on the test tractor. To accomplish 
this within a reasonable degree of cost control  
the test tractor, the control tractor, and the two trailers 
used in the baseline segment were returned to revenue 
service until the near 10,000 mile requirement was 
accomplished.  
J1321-4.8 in part states "no change is made to vehicle C 
(the control vehicle) for the duration of the test. Vehicle 
C must remain the same vehicle, without change, and used 
for test purpose only ---." "If trailers are used, the 
trailers and loads are set aside, unchanged, for the 
duration of the test." To meet the spirit and intention of 
4.8, the tractors were both tested on a Cummins dealership 
chassis dynamometer  
before the baseline segment and after the test segment. The 
technician operating the chassis dynamometer both times was 
the same person and the results showed that there was no 
change in the operation of the control tractor. To further 
satisfy the need to know that the control tractor had not 
been changed an inspection of the maintenance records was 
made and disclosed that nothing was required or 
accomplished that would change the performance of the 
control tractor.  
The two test trailers were unloaded and made available for 
rental, however, were not used. When reloaded for the test 
segment, the same loads were obtained and positioned 
exactly the same as they were during the baseline segment 
test runs. See Vehicle Weights - Appendix III. 
 
5.0 TEST COURSE  
The facility utilized for the conduct of the test was a 58 
mile section of US 131, north of Grand Rapids, Michigan. A 
south bound side rest area was the start and stop point. 
Weighing portable tanks and refueling was also done at this 
point. The highway follows a general course north and south 
and consists of rolling grades that do not require gear 
changes. The southern turn around was at mile post 131 and 
consisted of an off ramp and stop sign, overpass and an on 
ramp. The northern turn around was mile post 159, and 
consisted of an off ramp, stop sign, overpass and an on 
ramp. Any traffic delays at stop signs were timed in 
seconds, with engines at idle, and subtracted from a  
scheduled 60 second idle period at the end of each test 
run. The rest area where the start/stop point was located 
was at mile post 137, near Big Rapids, Michigan. 
 
 
6.0 TEST VEHICLES  
6.1 Unit 61559, was a 3 axle International Model 9400I 
tandem drive truck tractor. The vehicle was powered by a 
Cummins ISX 435 HP engine through a Eaton Fuller 10 speed 
transmission and Rockwell RP 40-145 differential. This 
tractor was coupled to a 50' X 102” van semi-trailer, unit 
number 71354. The trailer was ballasted with bagged and 
palletized cement and the combination vehicle weighed 
67,800 lbs. This vehicle was designated the control unit. 
Units 61560/72957 was designated the test vehicle and was 
identical to the combination vehicle described above and 
weighed 67,360 lbs. Both vehicles are owned by Star Truck 
Rental of Grand Rapids, Michigan. See Appendix III. 
 
6.2 Maintenance  
The test vehicles were inspected and records were reviewed. 
It was determined that incremental preventive maintenance 
services had been performed as scheduled and the work had 
been executed properly. Tires were checked and pressure was 
adjusted as specified by the Star Truck Rental schedule. 
The trucks were dynamometer tested by the Cummins dealer 
and road tested and it was determined that all systems 
performed as intended and that approximately equal power 
was delivered to the drive wheels of each truck. Axle 
alignment was checked and found to be correct and when 
released, brakes were without shoe to drum contact (drag). 
 
6.3  
Preparation  
After maintenance, the vehicles were ballasted with bagged 
and palletized cement. (See Section 6.1 for vehicle test 
weights). The trucks were prepared for the installation of 
the portable fuel tanks by the application of additional 
fuel lines as required. When complete, the engines received 
fuel from and returned fuel to the portable tanks. The 
portable tanks were connected by quick disconnect fittings 
with positive shutoffs. Tires were gauge checked for 
pressure maintenance. Engine lubricating oil was 10W-40 
mineral oil and was at the proper volume during the test 
series. Transmission and differentials were lubricated by 
synthetic oils and were found to be at proper volumes. Air 
conditioner and defroster switches were put in the "off" 
position. Drivers were instructed not to use these 
components. 
 
7.0  
TEST FUEL  
Fuel was purchased at Star Truck Rental in Grand Rapids. 
Care was taken to insure that the test was started and 
completed using the same fuel. Diesel #2 was used 
throughout the series and was stored in drums on a support 
vehicle. A sample of fuel will be retained for 120 days for 
analysis if requested. 
 
8.0 FUEL SAVING DEVICE  
8.1 The test was to determine the fuel economy of XADO 
Ceramic Metal Conditioner when added to the engine 
lubricating oil in the diesel engine of a Class VIII motor 
vehicle. XADO Metal Conditioner transforms a metal surface 
into a ceramic-metal bond which hardens and smoothes the 
surface, reducing friction. 
 
9.0 INSTRUMENTATION  
9.1 Gravimetric Fuel Tanks  
Gravimetric fuel tanks with a sixteen gallon capacity were 
used for measuring fuel consumption. Two tanks were 
assigned to each vehicle to avoid delay in tank 
change-over. Prior to test start-up each tank was  
purged, filled with test fuel and weighed. The tanks were 
installed above the frame rails and behind the cab. Fuel 
line connections were made with quick-disconnects for 
convenience of installation and removal and to avoid 
spillage. 
 
9.2 Weigh Scale  
A Champ Digital Bench Scale Model No. 300 calibrated to a 
maximum resolution of 1:20000 was used for weighing the 
gravimetric tanks before and after each test run. Weights 
were recorded in pounds to 2 decimal places. The scale was 
checked frequently with a calibrated weight to assure 
accuracy, and zeroed before each weighing. The scale was 
positioned inside a utility van trailer. The trailer doors 
were closed when necessary to prevent the wind from 
affecting the scale accuracy. 
 
 
10.0 TEST RESULTS  
SAE J 1321 / ATA-TMC Type II  
Test Tractor Test Speed % Fuel Save % Improvement 
 
1. 61560 62 mph 2.02% 2.06%  
Cummins Engine Company Dynamometer Test Results  
Blow By Test Horsepower Test  
Test# Vehicle# Jan. Apr. % Jan. Apr. % 
 
1. 61560 14" 12" 14.3% 374 380 1.6%  
Control Vehicle 
 
61559 8" 8" 0% 398 396 -.5% 
 
10.1 Data Reduction  
See Appendix II for data results. 
 
The fuel consumption percentage of fuel savings and 
percentage improvement are derived by following the 
calculation methods outlined in Joint TMC/SAE Fuel 
Consumption Test Procedures Type II, SAE J1321.  
Properly conducted tests using portable tank weigh methods 
are considered, based on test experience using long-haul 
test routes, to have an overall accuracy within +-1% (for 
example, 6% measured can  
be from 5-7% actual difference.) See SAE J1321 10.2 Cummins 
Dynamometer Test results. See Appendix III. 
 
Appendix I. 
 
11.0 SUMMARY  
On Monday, January 7, 2008 two Star Truck Rental 
truck-tractors were prepared for the fuel economy testing 
of XADO Ceramic Conditioner for metal for operational 
parameters and power output on the dynamometer at the 
Cummins dealership in Grand Rapids, MI. It was determined 
that both engines operated as intended by design. (see 
Appendix IV for details).  
Tractor 61560 was coupled to trailer 72957 and tractor 
61559 was coupled to trailer 71354. The combination 
vehicles were test driven, checked for alignment, 
inspected, and brake tested. The trailers were loaded and 
weighed. Tractor fuel tanks were disconnected and 16 gallon 
fuel cells were installed. 
 
On Wednesday, January 9, 2008, after a 2 hour warm-up at 
highway speeds, control vehicle 61559/71354 and test 
vehicle 61560/72957 ran a series of three baseline runs. 
Baseline runs 1, 2 and 3 met the time & fuel consumption 
constraints of the Test Procedure, fitting within a fuel 
consumption "window" of 1%. 
 
Both vehicles were returned to revenue service for a 
product conditioning period. The trailers were not used. 
The tractors were assigned to the daily rental fleet. 
 
On Monday, April 7, 2008 each tractor and trailer was test 
driven and inspected thoroughly and found to be 
operationally the same as they were during the baseline 
procedure. The trailers had logged no miles. The tractors 
had logged miles as follows since the end of the baseline 
segment: 
 
61560 test vehicle XADO blended with oil 9191 mi.  
61559 control vehicle 10W/40 mineral oil 22223 mi. 
 
Maintenance records were searched for repairs made that 
would have affected test results. None were found. The 
trailers were reloaded the same as they were during the 
baseline. A certified Cat scale recorded  
the test segment weights to be 67,820 GVW for control 
vehicle 61559/71354 and 67,460 GVW for test vehicle 
61560/72957. 
 
On Tuesday, April 8, 2008 a warm-up run at highway speeds 
for 1 1/2 hours was made by vehicles 559/71354 and 
560/72959 followed by 4 test segment runs. Runs 1, 2, and 4 
fit the fuel consumption and time  
"windows" required by the procedure. Run 3 fuel consumption 
did not meet the 2% "window" requirement due to traffic 
induced turbulence that affected both vehicles. The test of 
tractor 61560 resulted in a 2.02% fuel saving and a 2.06% 
improvement in fuel economy. 
 
12.0 CONCLUSION  
The blending of XADO Metal Conditioner with the engine oil 
used in the engine that powered the test vehicle resulted 
in a reduction of cylinder blow-by and an increase in 
horsepower and demonstrated a significant and repeatable 
improvement in fuel economy.

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