No, I don't, but while Royal Purple or Amsoil MIGHT (I'm not
convinced) be better oils than Mobil 1, I go with Mobil 1 synthetic
because it IS good stuff and I can get it just about anywhere.

The problem with the other two is availability, especially re: Amsoil.
They also cost more but I'm not sure that's justified.

John D.



"noway" <nospam@nospam.com> wrote in message news:<7TOVa.109447$R92.101925@news2.central.***.ne t>...
> Does anyone have long term experience with Royal Purple for normal driving?
> It seems to be carried at a lot of high performance shops, but looks like
> thats about it.