Synthetic Oil Harmful?

[June]

Oh the joy of living somewhere synthetic means synthetic

Certain viscosities like 0w40 or 5w40 are AFAIK always proper synthetics. Also great general purpose viscosities that cover pretty much every normal driving condition. Other that can be both not so sure.

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[MrAl]

Oh the joy of living somewhere synthetic means synthetic

Certain viscosities like 0w40 or 5w40 are AFAIK always proper synthetics. Also great general purpose viscosities that cover pretty much every normal driving condition. Other that can be both not so sure.

Hi,

Just to be clear, i guess you meant 10w40 and 5w40 right?

Thanks.

Nope. 0w40. 10w40 at least over here is usually semi synthetic.

Hi,

Interesting, i didnt know there was such a thing as 0w40.
So what that tells me is that the oil must be very thin sometimes. Possibly for very cold weather use.

[bmdubya1198]

Thinner than 10w40 or 5w40, that's for sure. I use it year round, and I live in NC.

[Rattnalle]

Thinner than 10w40 or 5w40, that's for sure. I use it year round, and I live in NC.

Thinner when cold, the same when hot. In theory at least.

[MrAl]

Thinner than 10w40 or 5w40, that's for sure. I use it year round, and I live in NC.

Thinner when cold, the same when hot. In theory at least.

Hi,

That's what i was assuming. So the engine gets the oil quicker in cold weather.

[bmdubya1198]

Thinner than 10w40 or 5w40, that's for sure. I use it year round, and I live in NC.

Thinner when cold, the same when hot. In theory at least.

Correct.