Eric wrote:
> but not always. It seems it may be somewhat weather dependant. When
> it's hot it's usually bad. Also, often it doesn't smoke at all. I've
> cleaned the PCV tube and valve but still get smoke sometimes, it's
> bluish.
>
> Are my rings worn?

youll need a compression check. do the test, then squirt some oil in the
cylinder and redo the test. if the results are better, then its the rings.
>
> I understand that if the rings are worn there's little to nothing one
> can do about it.
>
> Does a heavier oil help?

slightly. what are you using now? i wouldnt go over a 20w50 at the
absolute most. maybe synthetic might last longer?

how many miles on it?