I've been using Motul 8100 Eco-Energy 5w30 for last 40000 miles:
Viscosity grade SAE J 300 5W-30
Density at 20°C (68°F) ASTM D1298 0.848
Viscosity at 40°C (104°F) ASTM D445 57 mm²/s
Viscosity at 100°C (212°F) ASTM D445 10 mm²/s
HTHS viscosity at 150°C (302°F) ASTM D4741 3.4 mPa.s
Viscosity index ASTM D2270 163
Pour point ASTM D97 -36°C / -33°F
Flash point ASTM D92 226°C / 439°F
Sulfated ash ASTM D874 0.98% weight
TBN ASTM D2896 10.3 mg KOH/g
I can't say this Eco-Energy oil goes to the "limp" mode too often, but I feel I need something more prone to overheat. And i choose only between these oils (or maybe some other Motul's):
Motul 8100 Eco-Clean 5w30 C2 (this is recommended oil for my car by Motul site):
Viscosity grade SAE J 300 5W-30
Density at 20°C (68°F) ASTM D1298 0.845
Viscosity at 40°C (104°F) ASTM D445 57.9 mm²/s
Viscosity at 100°C (212°F) ASTM D445 10.4 mm²/s
HTHS viscosity at 150°C (302°F) ASTM D4741 3.0 mPa.s
Viscosity index ASTM D2270 171
Pour point ASTM D97 -42°C / -43.6°
Flash point ASTM D92 232°C / 449.6°
Sulfated ash ASTM D874 0.80% weight
TBN ASTM D2896 8.0 mg KOH/g
and Motul 8100 X-Max 0w40 (this oil is recommended in the Motul technical annotation, as they say it is good for GT-R, 370z, 350z):
Viscosity grade SAE J 300 0W-40
Density at 20°C (68°F) ASTM D1298 0.842
Viscosity at 40°C (104°F) ASTM D445 74.9 mm²/s
Viscosity at 100°C (212°F) ASTM D445 13.3 mm²/s
HTHS viscosity at 150°C (302°F) ASTM D4741 3.6 mPa.s
Viscosity index ASTM D2270 182
Pour point ASTM D97 -45°C / -49°F
Flash point ASTM D92 222°C / 431.6°F
Sulfated ash ASTM D874 0.80% weight
TBN ASTM D2896 7.0 mg KOH/g
So, which oil will help me with the "limp" mode more - with the HTHS 3.6 (0w40) or HTHS 3.0 (5w30)?
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