Roadie wrote:
> 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.


2% adds up over time.

The owners manual can't predict new and potentially superior products
that may show up after the car is manufactured. The manual for my 240T
recommends regular 10W30, but few would argue that synthetic is not a
better choice for a car with an oil cooled turbocharger.