Brand of Gasoline

[Vincent Gelinas]

It's a common thing with the GM 1.8 and 1.4t in the Sonic and Cruze.
On Sep 18, 2012 5:28 PM, "Grant Lenahan" <glenahan at vfemail.net> wrote:

> Sorry, unless you are always under WOT, or your motor is carboned up and
> therefore needs premium, i dont believe it.
>
> It does not follow the science
>
> Grant
> On Sep 18, 2012, at 5:25 PM, Vincent Gelinas wrote:
>
> > I get a good 3-4 MPG better in my car (either that, or more power should
> I
> > choose to drive it that way) by using premium in my 2012 Sonic 1.8 that
> > calls for regular.
> >
> > -----Original Message-----
> > From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
> On
> > Behalf Of Grant Lenahan
> > Sent: Tuesday, September 18, 2012 5:24 PM
> > To: Louis-Alain Richard
> > Cc: 'Fay Kelley'; quattro at audifans.com
> > Subject: Re: Brand of Gasoline
> >
> > Premium vs normal gas would only matter if you were at WOT such that it
> > would have to retard spark to avoid detonation on normal gas. Otherwise,
> > they would be identical within the accuracy we can measure at th pump.
> >
> > Grant
> >
> > On Sep 18, 2012, at 4:51 PM, Louis-Alain Richard wrote:
> >
> >> Did you fill her up with Premium instead ? I'm quite sure your BWM
> >> request Premium but works perfectly well with regular. And the
> >> difference in mileage on a car that is calibrated for Premium but gets
> > regular is around 10% less.
> >>
> >>
> >> Or it could be the other way around : your usual Chevron Premium is
> >> not premium at all...
> >>
> >> Louis-Alain
> >>
> >>> -----Message d'origine-----
> >>
> >>> Yes, next time I will use the trip meter and take records but there
> >>> was a noticeable difference.
> >>>
> >>> I have never been able to drive to PHX and back on half a tank and
> >>> have a couple days of gasoline left over ... obviously someone is
> >>> watering their gasoline or something ....
> >>>
> >>> Fay
> >>
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