They Say Nothing Outperforms
Mobil 1? Wrong! |
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AMSOIL INC. set out to examine the
specifics of the overly broad "Nothing
Outperforms..." Mobil 1 claim. AMSOIL 5W-30
Synthetic Motor Oil (ASL) and Mobil 1 SuperSyn
5W-30 Motor Oil were analyzed in five key bench
tests measuring motor oil performance:
NOACK volatility, flash/fire point, pour point,
four ball wear and total base number (TBN). As
shown in the charts below, AMSOIL outperformed
Mobil 1 in all five areas. |
NOACK Volatility
The NOACK Volatility Test determines the
evaporation loss of lubricants in
high-temperature service. The more motor oils
vaporize, the thicker and heavier they become,
contributing to poor circulation, reduced fuel
economy, increased oil consumption and excessive
wear and emissions. A maximum of 15 percent
evaporation loss is allowable to meet the API SL
and ILSAC GF-3 specifications. As shown in the
graph, AMSOIL 5W-30 Synthetic Motor Oil lost an
extremely low 4.9 percent of its original weight
during high-temperature service, maintaining its
superior protective and performance qualities,
while Mobil 1 SuperSyn 5W-30 Motor Oil lost 9.17
percent of its original weight.
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Four Ball Wear
The Four Ball Wear Test determines the
wear protection properties of a lubricant by
measuring the wear scars produced by four metal
balls in sliding contact under the test
parameters. The smaller the average wear scar,
the better the wear protection provided by the
lubricant. As shown in the graph, AMSOIL 5W-30
Synthetic Motor Oil completed the Four Ball Wear
Test producing a smaller wear scar than the
Mobil 1 SuperSyn 5W-30 Motor Oil.
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Flash/Fire Point
The Flash/Fire Point Test determines the
lowest temperatures at which application of a
flame will cause lubricant vapors to ignite
(flash point) and sustain burning for five
seconds (fire point). Lubricants with higher
flash and fire points exhibit more stable
volatility characteristics and are safer to use
and transport. As shown in the graph, AMSOIL
5W-30 Synthetic Motor Oil has higher flash and
fire points than does Mobil 1 SuperSyn 5W-30
Motor Oil. |
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Pour Point
The Pour Point Test determines the
lowest temperature at which a lubricant flows.
The lower a lubricant's pour point, the better
protection it provides in low-temperature
service. As shown in the graph, AMSOIL 5W-30
Synthetic Motor Oil has a lower pour point than
Mobil 1 SuperSyn 5W-30 Motor Oil.
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Total Base Number
Total Base Number (TBN) is the
measurement of a lubricant's reserve alkalinity.
The higher a motor oil's TBN, the more effective
it is in handling contaminants and reducing the
corrosive effects of acids for an extended
period of time. As shown in the graph, AMSOIL
5W-30 Synthetic Motor Oil has a higher TBN than
Mobil 1 SuperSyn 5W-30 Motor Oil.
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