[T2] Re; fuel reserve?

[Robert Mann]

    I can now clarify this minor matter.
    *Elsewhere* in the same 1972 owner's booklet:

         When the pointer is at "R" Reserve  –  there is approx. 5 liters
of fuel remaining in the tank.

    Soon after acquiring my '73 a decade ago I measured this (an inherently
uncertain process) and found 10 litre.  (I insert here that such a
measurement, entailing total draining of the tank, should not be done
unless there's a good filter after the tank.  A 4-decade-old tank is likely
to have bulk dirt slopping around its floor.)
    But a couple y ago I ran out of fuel when the guage was showing just
under 1/4.
    A fine point is that steep hills change not only the reading but also
the prospects of actually delivering the dregs from a nominally empty tank.
    The fuel guage and its mysterious ancillary electrics should not be
closely trusted when several decades old.  My practical advice:

1  Retain or restore the old knack, *required* before VW first installed
that luxury the fuel guage, of noting the mileage showing when you fill up.
2  Measure your fuel economy routinely, by noting the mileage between
fills.  (This is the only accurate way to measure fuel consumption.)
3  Do not trust the guage as it goes down past 1/4.
4  Carry a gallon of spare fuel in a proper container.

cheers

Robt Mann
'73 Devon 1600dp


On Thu, Feb 2, 2017 at 4:59 AM, Nathan <nathan at wandrly.co> wrote:

> Yeah, R for reserve no? Which is reservieren in German if it makes sense
> that the gauge would be written in German even for American imports, though
> the 1/2 tank 1/1 tank indicators are also pretty funny.
>
> On Tue, Jan 31, 2017 at 3:07 PM Tim Shepherd <forever-endeavor at hotmail.com
> >
> wrote:
>
> > I think it means when the gauge shows empty, there's still another 20
> > miles or so of gas in the tank...
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