Interested to learn here what your thoughts are about those two lubricants definitively targeting some specific application:
Mobil 1 R 0w50:
•Specifications and approvals
Mobil 1 Racing 0W-50 is recommended for a wide range of race engine applications. Note: Mobil 1 Racing 0W-50 is not recommended for street use.
Mobil 1 Racing 0W-50 is recommended for a wide range of race engine applications including highly loaded flat tappet designs such as NASCAR Cup engines.
Mobil 1 Racing 0W-50 is designed for use by professional, amateur and weekend racers.
Mobil 1 Racing oils are not recommended for 2-Cycle or aviation engines, unless specifically approved by the manufacturer.
Technical details
SAE Grade 0W-50
Viscosity (ASTM D 445)
cST @ 40ºC 100
cST @ 100ºC 17.2
Viscosity Index 189
Sulfated Ash, wt% (ASTM D874) 1.3
HTHS Viscosity, mPa s at 150ºC (ASTM D4683) 3.8
Pour Point, ºC (ASTM D97) -54
Flash Point, ºC (ASTM D92) 221
Density at 15.6 ºC g/ml (ASTM D4052) 0.85
RedLine 5w50
Fully-synthetic ester formula for passenger cars, light trucks, performance vehicles and marine applications
Excellent wear protection and friction reduction across a wide range of operating conditions
High detergency allows extended drain intervals and provides increased cleanliness
Improved fuel economy and ring seal for more power
Superior high temperature stability and oxidation resistance increases lubrication of hot metal compared to other synthetics
High natural viscosity index (VI) provides thicker oil film in bearings and cams
Less evaporation than other synthetics for improved efficiency and ring seal
All products are completely compatible with other conventional and synthetic motor oils
TYPICAL PROPERTIES
ACEA Service Class A3 B3/B4
API Service Class SN/SM/SL/CF
SAE Viscosity Grade (Motor Oil) 5W50
Vis @ 100°C 21.0
Vis @ 40°C 130
Viscosity Index 186
CCS Viscosity, Poise, @°C 60@-30
Pour Point, °C -45
Pour Point, °F -49
NOACK Evaporation Loss,1hr @ 482°F (250°C), %6
HTHS Vis, cP @150°C, ASTM D4741 5.0
Christian
Mobil 1 R 0w50:
•Specifications and approvals
Mobil 1 Racing 0W-50 is recommended for a wide range of race engine applications. Note: Mobil 1 Racing 0W-50 is not recommended for street use.
Mobil 1 Racing 0W-50 is recommended for a wide range of race engine applications including highly loaded flat tappet designs such as NASCAR Cup engines.
Mobil 1 Racing 0W-50 is designed for use by professional, amateur and weekend racers.
Mobil 1 Racing oils are not recommended for 2-Cycle or aviation engines, unless specifically approved by the manufacturer.
Technical details
SAE Grade 0W-50
Viscosity (ASTM D 445)
cST @ 40ºC 100
cST @ 100ºC 17.2
Viscosity Index 189
Sulfated Ash, wt% (ASTM D874) 1.3
HTHS Viscosity, mPa s at 150ºC (ASTM D4683) 3.8
Pour Point, ºC (ASTM D97) -54
Flash Point, ºC (ASTM D92) 221
Density at 15.6 ºC g/ml (ASTM D4052) 0.85
RedLine 5w50
Fully-synthetic ester formula for passenger cars, light trucks, performance vehicles and marine applications
Excellent wear protection and friction reduction across a wide range of operating conditions
High detergency allows extended drain intervals and provides increased cleanliness
Improved fuel economy and ring seal for more power
Superior high temperature stability and oxidation resistance increases lubrication of hot metal compared to other synthetics
High natural viscosity index (VI) provides thicker oil film in bearings and cams
Less evaporation than other synthetics for improved efficiency and ring seal
All products are completely compatible with other conventional and synthetic motor oils
TYPICAL PROPERTIES
ACEA Service Class A3 B3/B4
API Service Class SN/SM/SL/CF
SAE Viscosity Grade (Motor Oil) 5W50
Vis @ 100°C 21.0
Vis @ 40°C 130
Viscosity Index 186
CCS Viscosity, Poise, @°C 60@-30
Pour Point, °C -45
Pour Point, °F -49
NOACK Evaporation Loss,1hr @ 482°F (250°C), %6
HTHS Vis, cP @150°C, ASTM D4741 5.0
Christian