[T3] Engine oil temp?

[William Jahn]

Yes he did , and I understand how this works. And this has to do with oil
weight and of course bearing clearance. I use SAE 40 even when I rebuilt
this engine and on a hot freeway run I'd come to a stop and the oil light
would come on. This is why I didn't go down to SAE 30 , 30 may be fine

On Sun, Jul 19, 2020 at 9:42 AM Mike Fisher <fisherfarms at gmail.com> wrote:

> 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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