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Xcel Plus Testings

Bilsport
A car magazine in Sweden

Overview
  Bilsport has taken a closer look at Xcel Plus (tested while under private label, same formula). In order to carry out a comprehensive test, we turned to Sweden's most advanced motor - testing establishment - Nordisk Motortestcenter in Vasteras, with it's enthusiastic boss, Birger Jonasson. The center is fully - computerized and is combined with a rolling track ( 4 wheels and a fly-wheel capacity ). There were three test cars, a 1985 Opel Rekord 2.2 L, a 1985 Volvo 245 GLT and a 1980 Saab 900 Turbo S. The Opel registered 7,100 kilometres; the Volvo ( a taxi ),  51,600 kilometers and the Saab 149,390 kilometres.

  The Volvo's engine and differential were treated with Xcel Plus  after the first test run. Even the front wheel bearing was cleaned and re-greased with Xcel Plus  grease

  The Saab's engine and gear box were treated and so was the Opel's engine, gear box and differential. At the follow-up test on all the cars, a clear reduction in in fuel consumption was noted. At a steady speed of 97 km / hr, the Volvo's consumption fell by as much as 17.6% - from 0.0847 1 / km to 0.0723 1 / km. The car travelled 10,670 km between tests.

  The Saab's consumption fell exactly 10% at an even speed of 95 km / hr - from 0.0823 1/km to 0.0740 1/km. The car travelled 4,240 km between the two tests.

  The Opel was driven only 1,730 kilometres between the tests - far too little to achieve a complete baking process. However, the fuel consumption fell at a steady speed of 95 km/hr by 8.7% from 0.0753 1/km to 0.0687 1/km.

  A new test of the Opel which was carried out after a further 1,650 km showed that consumption had fallen to 0.0667 1/km or by 11.4%.

GREAT PRECISION

  In order to eliminate the human factor, special fuel gauges were used by Nordisk Motortestcenter for the tests. The gauge is made up of a pulse-meter (for pistons through which the fuel must be forced). Each pulse represents 0.667 cl.

  Then we measured how many pulses were needed in order to travel 2,000 metres at a constant speed of 95 km / hr or alternatively 97 km / hr.   When the milometer of the testing track had reached zero the pulse meter disengaged automatically.

  The same test was repeated until the number of pulses was established.

  Another interesting finding was the coasting from 100 km / hr to zero. On all three cars' driving wheels, there were notable improvements.

  Take the Volvo as an example. Before the PfL treatment, the left rear wheel coasted 629 metres. At the second test 1,021 metres were recorded: an increase of 62%.

  The figures may seem both surprising and sensational, but the tests in the U.S.A. and Great Britain show similar results.


Vehicle #1                 1980 SAAB 900 Turbo S

 

Before Treatment

After Treatment

Change

# of Kilometers

149,390

153,630

4,240

Consumption at 95 km/hr.

0.0823 1/km

0.0740 1/km

-10.1%

Volume CO

1.77%

.73%

-58.7%

ppm HC

156

104

-33.3%

Coasting 100 km/hr to 0

 

 

 

Left Front

939 m

1,151 m

+22.6%

Right Front

886 m

925 m

+4.4%

Left Rear

1,275 m

1,692 m

+32.7%

Right Rear

1,326 m

1,698 m

+28.0%


Comment
   Engine and gearbox is treated with Xcel Plus. At the second test, the rear wheel-bearing was re-greased with Xcel Plus grease. Despite only twenty kilometres on the testing track, the coasting capacity increased considerably. The peculiar value for right front was caused by a faulty brake.


Vehicle # 2                    1985 OPEL REKORD 2.21

 

Pre-Treatment

After Treatment

Change

# of Kilometres

7,100

8,830

1,730

Consumption at 95 km/hr

0.0753 1/km

0.0687 1/km

-8.8%

Volume CO

0.71%

0.17%

-76.0%

ppm HC

 

 

 

Coasting 100 km/hr to 0

 

 

 

Left Rear

795 m

1,205 m

+51.6%

Right Rear

812 m

1,211 m

+49.1%

Comment:
   Engine, gearbox, rear axle, were treated with Xcel Plus. After 1,650 kilometres driving, another test was carried out. Then the fuel consumption had decreased to 0.0667 1/km, i.e. by 11.4%. the coasting level on the rear wheels increased by a further 10%.


Vehicle #3                     1985 Volvo 245 GLT

 

Pre-Treatment

After Treatment

Change

# of Kilometers

51,660

62,330

10,670

Consumption at 95 km/hr.

0.0847 1/km

0.07231/km

-14.6%

Volume CO

2.43%

1.50%

-38.3%

ppm HC

231

178

-22.9%

Coasting 100 km/hr to 0

 

 

 

Left Front

791 m

1,162 m

+46.9%

Right Front

797 m

1,160 m

+62.3%

Left Rear

629 m

1,021 m

+62.35%

Right Rear

662 m

1,033 m

+56.0%

Comment : 
   Engine and differential gears are treated with Xcel Plus. The front wheel bearing was re-greased with Xcel Plus Grease. A new test was carried out after an oil and oil filter change. The same excellent results was obtained. Xcel Plus maintains it's effectiveness even after an oil change.