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A statement on the influence of the RVS Technology
Engine Treatment product of RVS -Tec Oy on the
changes of tightness of an engine. Statement given by: Lecturer of Automobile Technology Raimo
Kinnunen, Raahe Professional School (Raahen
ammattioppilaitos), Tervahovinkatu 2, 92100 Raahe, Finland Vehicle: Talbot Horizon, 1985 motor 1,3 l.
Mileage at the
beginning of the test 316841 km.
History of the motor:
A partial renovation of the engine was carried out on October 28th, 1994. The
mileage was 214442 km. The cylinders were ground, the piston rings, the
bearings of the crankshaft and the camshaft with its drive chain were
replaced, and the valves and conduits were machined. No oil is needed to add
during the oil change interval (8000 km).
Proceeding
of the test
Preliminary preparations I demonstrated the testing of the general
condition of an engine to a group of students with a GRYPTON CUDOS 900 motor
tester. Required regulations were carried out. Definition
of the mechanical condition of the engine at the beginning of the test
Compression measurement
I demonstrated the compression measurement with an
OKUDA CG 8010 registering compressometer.
Blow-by measurement of the cylinders
I demonstrated the blow-by measurements with an LTR
DRJO device. Air was feeded to the device through a pressure regulator at 6.2
bar.
Oil pressure measurement
Treatment
with the RVS Engine Treatment
I added the compound in accordance with the
recommendations of the manufacturer on April 5th, 2001, when the mileage was 316841
km. After that I used the vehicle normally until April 10th, 2001, when the
mileage was 317762 km. Thus the mileage after the first treatment was 921 km. The check measurements 921 km after the first
treatment. I measured the compression, blow-by, and oil
pressure with the same equipment and methods as at the beginning of the test. Compression measurement
Blow-by measurement
Oil pressure measurement
The second treatment with
the RVS Engine Treatment I carried out the second treatment in accordance with
the recommendations of the manufacturer immediately after the measurements.
After that normal driving until May 6th, 2001, when the mileage was 319988
km. The mileage since the beginning was 3147 km, and 2226 km since the second
treatment. Control measurements
after the second treatment Equipment and methods were the same as during the
previous measurements. Compression measurement
Blow-by measurement
Oil pressure measurement
Conclusion
I have always had a sceptic attitude towards all kinds
of additives, and that is why I wanted to test the RVS Engine treatment that
has appeared in the market. The results surprised me positively. The compound
has really worked. The compression has increased by 0.7 bar on average, and
the blow-by has significantly decreased, most importantly in the cylinder
where it was highest. The oil pressure has changed most notably at low speed,
where the leaks "work" and the pressure regulating valve is not yet
used. There are no notable changed detected after the second treatment. It would be interesting to study the structure of
the formed ferrosilicate. The following conclusions can be drawn on the
changes of the tightness of the engine caused by the compound. 1.
Power increased 2.
Decreased fuel consumption 3.
Decreased exhaust, especially that of HC 4.
Inter-repair intervals increase P.S. An automobile engineer that has worked all his life
as a mechanician and instructor carried out the test. He had a "problem
clinic" for cars during the 80's along with his primary job. |