"Malcom Gillette" <1mgillette1@cox.net> wrote in message
news:rvz2b.90049$Ij4.23983@news2.central.cox.net.. .
> The first # refers to the base weight of the oil.

No.

That is the weight it is
> always.

No.

It has additives that make it perform like a 30 weight.A 10w30 is a
> 10 weight always,but performs like a 30 weight.

That doesn't make a lick of sense.


If you want a straight
> weight oil you would buy a 30w only.Which would be a thickerbased oil. I
> have always heard of 5 weight oils.

Heard of?

And I have seen the ones rated 0w
> something,but always have wondered how you would have a zero weight oil.I
> asked our distributor about this.He has a hard time also with this. He
> thought that it must be at somewhere under 5 so that they could call it a
> 0w. Afterall wouldn't a zero weight be air or at least the viscosity of
> diesel fuel.

That's not a oil distributor, I hope.