I also have a VDO gauge on the dash.  Pressure readings on it have matched
readings at a shop within 1 psi.  Despite that, I have heard others say
that VDO instruments are just ball park, and they may be right.

On Tue, Oct 10, 2017 at 12:42 PM, Alistair Bell <albell@shaw.ca> wrote:

> I’ve had the same VDO cockpit series, analogue, in use since 94. Oil temp,
> pressure, and voltage.
>
> Can’t vouch for accuracy of the temp and pressure, pressure gauge will
> read low pressures (10 psi).
>
> Voltmeter is flakey, needle sticky. Good enough for general use on the
> dash. I have digital meter off dash if I want to get more accurate reading.
>
> Alistair
>
>
> > On Oct 10, 2017, at 8:47 AM, steve meassick <stevem@TDHVAC.COM> wrote:
> >
> > Does anybody have any recommendations for, preferably digital, oil
> pressure gauges that measure accurately at the low pressures that the WBX
> engines can operate at?
> > Steve
> >
> > -----Original Message-----
> > From: Vanagon Mailing List [mailto:vanagon@gerry.vanagon.com] On Behalf
> Of Dennis Haynes
> > Sent: Sunday, October 8, 2017 2:13 PM
> > To: vanagon@GERRY.VANAGON.COM
> > Subject: Re: oil pressure
> >
> > You really need both and on many VW Audi vehicles both were available.
> Oil pressure confirms the system is working and can be an indicator of
> mechanical condition. It can also alert to problems such as clogged oil
> filters or sudden oil loss conditions. A problem with the Waterboxer is
> that changing driving conditions can increase oil temperature and lower oil
> pressure with noting being wrong. So for example you have a pressure gauge
> and you get familiar with the readings. Now you go on a long trip, drive
> faster and for a longer period of time than usual. The oil pressure drops,
> why? Is the oil hot or are you losing a bearing?  These conditions are
> common causes for the oil light flicker or buzzer warnings.
> > Adding an oil cooler is a great investment. However you can still have a
> situation where a cooler can’t help. Had a customer last week call me on a
> trip with his GoWesty 2.3L and an oil set up I installed. Oil temp spiking
> to 260F. Turns out he had the oil changed, it was overfilled. Drained off
> the extra and back to 180-210. Note that there was no increase in coolant
> temp.
> >
> > Dennis
> >
> >
> > From: Dan N [mailto:dn92610@gmail.com]
> > Sent: Sunday, October 8, 2017 11:28 AM
> > To: Dennis Haynes <d23haynes57@hotmail.com>
> > Cc: Vanagon Mailing List <vanagon@gerry.vanagon.com>
> > Subject: Re: oil pressure
> >
> > thanks Dennis...
> >
> > so given a choice for one gauge, either oil temp. or oil pressure, which
> one you recommend?
> >
> > what I have read the opinions are 50/50..
> >
> > 1. oil temp. gauge: since oil temp. and oil pressure are interrelated, a
> high oil temp can be translated to a low oil pressure...
> >
> > 2. oil pressure gauge: again since oil temp. and oil pressure are
> interrelated, a low oil pressure can be translated to a high oil temp...
> but a low oil pressure also means a internal failure (rod bearings, seals
> etc.) note related to oil temp...
> >
> > so which one is better to have?
> >
> > dan
>