A while ago in a forum far far away I saw a discussion on oil preassure and a way to monitor the said preassure.
It involved an adaptor ring installed in between the oil filter and the engine. This adaptor had a capillary connection for the oil preassure gauge.
Does anybody know more about this?
Can I just remove the OEM oil preassure switch and connect a "T" for the switch and the capillary pipe?
I fear the force is weak in the oil pump.

SD
OK, now you know what my kids have been watching for the start of March break. I need a dose of the Camel Trophy video BAD!

 

Not 103% positive, but you should be able to install a T fitting between the oil pressure sender and the block, run a hose off that to a mechanical gauge mounted inside the cab for all the world to see.

 

I grafted in a T so I could keep both the warning light & have an active real time (mechanical) gauge for similar reasons as you. I've seen the oil filter adapters you mentioned for Honda's & Toyota etc, but not for the Rover, but I didn't look very hard. The thread for the pressure switch is not very common, so you'll have to hunt around for a correct T. It looks pretty easy to put a T in there but it took me 3 weeks in my little spare time to get it all done, find fittings that would work, and then modify them to work etc. Spent about $60 on the fittings, needed a 45° elbow to work in the space. The only thread I could find to match the rover was in NAPA in their custom brake line parts. (compression fitting) I don't get much time online, but if you email me at mordor110@att.net I'll try and take a picture of the set up and email it to you. Give me a few days to get around to checking email.

In a side note, I get best oil pressure with 20/50 in the summer and 10/40 in the winter. (North Texas)

 

You can get the parts needed(minus the gauge) from a hydraulic shop. They will have the correct fittings and hose needed to do the job right at a great price. I did the exact mod to my Geo Tracker as well as replacing my oil pressure switch with a switch that would light up at 14psi instead of 4psi(tracker is supposed to have 20psi at idle). You could do it to a Disco easy enough.

 

Thanks mordor.
Chris-Bob, I live 6.5 km from where your Geo Tracker was born, yep.
Lots of off road trails here but SWMBO won't let me, it's our only ride.
I'll check with the local hydrolic shop and report back.
mordor, you hame mail

SD

 

the pics and NAPA part numbers.

 

I mounted the adapter to the block and ran a hose to the inner wheelwell where I had the 'T' located. On the T I mounted the new sending unit and the hose that traveled inside the cab to the gauge. I mounted the T on the wheelwell because I did not want the vibration over time to caust the T to fail(fatigue) because of the extra weight of the sending unit and hose.(if that makes sense)

Hope that info helps you.

 

There is a company that makes a sandwich type adapter that mounts between the oil filter and the engine made specifically for mounting an oil pressure guage. They also have a large variety of nice guages for mounting inside the cab.

They do have them for a Discovery as well. I don't remember the name of it but I have seen info about on this forum. I would go with that before I would go with some t fitting and routing an actual oil line inside to a guage. in my opinion that is inviting a potential disaster later on down the road, especially if you do have some vibration and such over time...

 

If you didn't want an actual oil line, then you could do an electric sender with electric gauge instead of a mechanical setup.

 

Unless I can find the part number for the "sandwich" I'll go for the "T" setup.
It's just temporary to monitor the pressure and diagnose the oil pump.
The sandwich requires an oil change.
Thanks
This will help other members too, so if the part # came available, please post them.

SD