Synthetic Oil

[tosugrad]

any thoughts about Mobil One 5W-30W vs. 10W-30W?

I used 5w30 this year as its what I had around. OCI was about 2500 miles and I just sent a sample off to BlackStone. I will see what they say.

 

[stuntman]

just remember guys when buying synthetics check the back of the bottle. an oil with the a High Temperature High Shear # greater than 3.5 is considered an A3 oil.

ACEA A1/B1 Oil intended for use in gasoline and car + light van diesel engines specifically designed to be capable of using low friction low viscosity oils with a High temperature / High shear rate viscosity of 2.6 to 3.5 mPa.s. These oils may be unsuitable for use in some engines. Consult owner manual or handbook if in doubt.

Castrol Syntec:
5w-30
10w-30
many more...

Mobil1:
0w-30
5w-30
10w-30
many more...


ACEA A3/B3 Stable, stay-in-grade oil intended for use in high performance gasoline and car + light van diesel engines and/or for extended drain intervals where specified by the engine manufacturer, and/or for year-round use of low viscosity oils, and/or for severe operating conditions as defined by the engine manufacturer.

Castrol Syntec:
0w-30
15w-50

BMW HP Synthetic:
5w-30,

Mobil 1:
0w-40