[T3] Engine oil temp?

Mike Fisher fisherfarms at gmail.com
Sun Jul 19 09:42:05 PDT 2020


Jim told us that oil pressure isn't important.  It's the oil flow?

On Sun, Jul 19, 2020 at 9:38 AM William Jahn <willjahn975 at gmail.com> wrote:

> The only thing I don't quite understand is on what basis has anyone tested
> these gauges to say for certain they are not accurate or at least very
> close to being so. The only true way to know would be to use a good screw
> in oil pressure gauge on the cooler fitting and check that against what the
> electric VDO setup reads.
>
>  I feel as long as the wiring to the senders and gauges is done properly
> and the grounds are done properly they will be as good as they can get.
>  I know my old oil pressure gauge had issues because just with the key on
> the gauge read 10 PSI and the sender should read 10 OHM engine off , my old
> one read from 9.5 ohm to over 95 ohm just by tapping it with my fingers .
> The new one stays at 10 ohm engine off . It reads completely different from
> the old ones.  Before this I even replaced the wiring and put the ground on
> the battery to the rear seat wall ground . None of that changed a thing. I
> added inline fuses to the gauges between the fuse box and battery positive
> on the gauges just in case and use a relay for the power source. When I
> first installed them direct to a spare key on fuse on a 73 that's #12 they
> didn't seem to read proper so I used a 12 volt relay used fuse 9 hot all
> the time that powers that insane key buzzer for the feed source then fuse
> 12 to the relay coil and that fixed the issue.
>
> On Sun, Jul 19, 2020 at 8:56 AM Hal Sullivan <tristessa at tristessa.us>
> wrote:
>
> > On 7/18/20 11:55 PM, William Jahn wrote:
> > >   I  can't recall a car or truck I ever had that didn't have at the
> very
> > > least a water temp and oil pressure gauge as well as a light or two.
> > >
> > I inherited an '81 Ford Escort from my grandmother in the late '90s,
> > back before our first ACVW.  It had a speedometer, a gas gauge and some
> > idiot lights.
> >
> >
> > I'll take an electric oil pressure gauge over no gauge any day of the
> > week.  Even without absolute accuracy, they're useful for spotting
> > problems before they really become PROBLEMS .
> >
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