On Oct 9, 8:18*am, ransley <Mark_Rans...@yahoo.com> wrote:
> Is any body using it, Mobil says its safe as a 5-30 replacement and
> saves 2% on gas, is it safe on a 02, 4 cil, v40 with 55000m

If it were my car I would use the weights recommended in the owners
manual. A 2% improvement in mpg in the real world would be impossible
to prove.