Amsoil technical comparison
Amsoil technical comparison
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Amsoil vs. Mobil 1

10 myths of
synthetic oil

What you need to know about oil additives

Synthetic oil compared to your conventional oil

The brainwashing
of consumers

Amsoil on the dyno
compared to Mobil, Castrol, Royal Purple, Torco,
Shell and BP

409,000 miles without an oil change using Amsoil in an 18-wheeler

Bonicelli Racing of NASCAR using AMSOIL

Breaking world's records - fastest 4 cylinder using Amsoil

Lawn care company sees the great benefits of switching to Amsoil

Snowmobile racing in Canada sees the benefits of oil lubrication

Big NY City taxi cab test comparing Amsoil to the conventional 3,000 mile oil change. See the surprising findings.

The dependency on foreign oil stops RIGHT HERE. Amsoil products are 100% made in the USA.

Interstate Battery System of Detroit very satisfied with the results of Amsoil in their fleet!

Be sure to use a Super Duty Filters (SDF) with this oil.

 

TYPICAL TECHNICAL PROPERTIES COMPARISON
(for your convenience)
Products compared side-by-side
0W-30
TSO
5W-30
ASL
10W30
ATM
10W40
AMO
20W50
ARO
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)
11.3
11.7
11.90
14.0
18.4
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)
57.3
63.4
69.8
79.2
121.4
Viscosity Index (ASTM D-2270)
196
182
167
183
169
Cold Crank Simulator Apparent Viscosity @ -30°C, cP (ASTM D 2602)
2993
 
 
 
 
CCS Viscosity @ -25°C, cP (ASTM D 2602)
 
2555
 
 
 
CCS Viscosity @ -20°C, cP (ASTM D 2602)
 
 
 
2614
2160
Borderline Pumping Temperature °C (°F) (ASTM D3829)
-40 (-40)
<-40 (-40)
<-40 (-40)
 
 
Pour Point °C (°F) (ASTM D 97)
 
-51 (-60)
-48 (-54)
-48 (-54)
-36 (-33)
Pour Point °C (°F) (ASTM D 92)
-51 (-60)
 
 
 
 
Flash Point °C (°F) (ASTM D 92)
226 (439)
230 (446)
230 (446)
232 (450)
236 (457)
Fire Point °C (°F) (ASTM D 92)
240 (464)
 
 
 
 
Noack Volatility (DIN 51581) 250°C for 1 hour, % weight loss
9.2
 
6.6
7.0
6.3
High Temperature/High Shear Viscosity cP, X°C, X s-1 (ASTM D4683)
3.5
Minimum 3.5
>3.5
3.93
4.95
Four-Ball Wear Test (ASTM D 4172: 40kgf, 150°C, 1800 rpm, 1 hr) Scar diameter, mm
0.373
0.35
0.35
0.40
0.39
Total Base Number
>11.0
>11.0
>12.2
>12.0
>12.0

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