high oil pressure

[cdt]

What should the oil pressure go up to?

In the last couple of days its gone up very high on the gauge - yesterday 70psi and today 100psi ! Then it'll drop down to 20 psi or so within a minute - usually after going around a roundabout.

All the power is still there so I presume there is something wrong with the signal being sent to the gauge?

Should I be worried?

[GreenV8S]

I would guess duff sender or perhaps a broken wire at the sender.

[mikeb]

Have a word with Neil at TVRcarparts.com sorted me out a sender in double quick time. There are lots of different types and threads.

MikeB

[gsx600]

Those that gasped in awe at my externally mounted oil pressure gauge now know why it's there ( I think tallbloke took a snap ?)

My TVR oil pressure goes the other way, nearly always reads low ( 0 - 20) when the mechanical gauge reading 20 - 50

[60maxx]

Hi cdt, personally i would confirm oil pressure with an external pressure tester, if this confirms high oil pressure no point in buying parts you dont need, could be sticking pressure relief valve.

[cdt]

Is there any danger of damaging the engine with high pressure if it is the relief valve sticking?

I'll take it along to have it checked out at the weekend.