Dear All:
Ambient temperature here could reach 50C in some good summer days (usually ~44C max). It happens like a couple of days a year, but it does happen nonetheless and there is no way to know when exactly so I cannot ignore it.
In those days, which is around now btw, I use Mobil Super XHP 20w50. Here are its technical data (for comparison):
Semi-synthetic
Dino (mineral) Oil
ACEA A2,B2,A3,B3
API SL,SJ,CF
cSt@40ºC : 171
cSt@100ºC : 19.1
Viscosity
Index,ASTM D 2270 : 127
SulfatedAsh, wt%, ASTM D 874 : 0.9
HTHS Viscosity, mPa·s@150ºC, ASTM D4683 : 4.7
Pour Point,ºC, ASTM D 97 : -24
Flash Point,ºC, ASTM D 92 : 239
Density@15ºC kg/l, ASTM D 4052 : 0.88
And I wonder it I can use Total Quartz 7000 10w40, which I use in winter. Here are its technical data:
ACEA A3/B4
API SL/CF
Volumetric mass at 15°C : 873.6
Viscosity at 40°C : 96.8
Viscosity at 100°C : 14,81
Viscosity index : 160
Flash point Cleveland : 232°C
Pour point : -24°C
Or alternatively these links:
For Mobil XHP 20w50
http://www.yemlub.com/AutomotiveProducts/PassengerCar%28Petrol%29EngineOils/glxxenpvlmomobil_super_xhp.pdf
For Total Quartz 7000 10w40:
http://www.totaloil.com.au/Pages/content/NT0000C2C6.pdf
The owner's manual says that both of these grades can be used at ambient temperatures of +30C which is not clear enough because there is like +20C more to it for the ambient temperature I'm looking at. Both of these oils have MB 229.1 approval, the right one for the engine.
Vehicle is Mercedes w124 1992, 12 valves 3L engine engine M103 with ~350,000 KM on the clock.
I don't have much of a choice as I want approval MB 229.1 present and no full synthetics as i want to change the oil at 10,000KM intervals max for maintenance purposes.
The main reason I wish to use the Total oil instead of the Mobil here is because I noticed that engine starts better with almost no lifters' noise on good cold starts with the former.
So, as per the given data and ambient temperature, can I do that?
Thank you in advance.
Ambient temperature here could reach 50C in some good summer days (usually ~44C max). It happens like a couple of days a year, but it does happen nonetheless and there is no way to know when exactly so I cannot ignore it.
In those days, which is around now btw, I use Mobil Super XHP 20w50. Here are its technical data (for comparison):
Semi-synthetic
Dino (mineral) Oil
ACEA A2,B2,A3,B3
API SL,SJ,CF
cSt@40ºC : 171
cSt@100ºC : 19.1
Viscosity
Index,ASTM D 2270 : 127
SulfatedAsh, wt%, ASTM D 874 : 0.9
HTHS Viscosity, mPa·s@150ºC, ASTM D4683 : 4.7
Pour Point,ºC, ASTM D 97 : -24
Flash Point,ºC, ASTM D 92 : 239
Density@15ºC kg/l, ASTM D 4052 : 0.88
And I wonder it I can use Total Quartz 7000 10w40, which I use in winter. Here are its technical data:
ACEA A3/B4
API SL/CF
Volumetric mass at 15°C : 873.6
Viscosity at 40°C : 96.8
Viscosity at 100°C : 14,81
Viscosity index : 160
Flash point Cleveland : 232°C
Pour point : -24°C
Or alternatively these links:
For Mobil XHP 20w50
http://www.yemlub.com/AutomotiveProducts/PassengerCar%28Petrol%29EngineOils/glxxenpvlmomobil_super_xhp.pdf
For Total Quartz 7000 10w40:
http://www.totaloil.com.au/Pages/content/NT0000C2C6.pdf
The owner's manual says that both of these grades can be used at ambient temperatures of +30C which is not clear enough because there is like +20C more to it for the ambient temperature I'm looking at. Both of these oils have MB 229.1 approval, the right one for the engine.
Vehicle is Mercedes w124 1992, 12 valves 3L engine engine M103 with ~350,000 KM on the clock.
I don't have much of a choice as I want approval MB 229.1 present and no full synthetics as i want to change the oil at 10,000KM intervals max for maintenance purposes.
The main reason I wish to use the Total oil instead of the Mobil here is because I noticed that engine starts better with almost no lifters' noise on good cold starts with the former.
So, as per the given data and ambient temperature, can I do that?
Thank you in advance.