I hope so. I'll find out when I fit the new sender, if not hopefully I've caught the problem early.
But, I still think I'd like to keep my eye on the prv, or mod it if anyone knows what to do?

Thanks for your help Hodgy.

 

I would say it's a faulty sender unit in your case Kwik.

On a standard 10mm oil pump, the PRV will open at 85psi (5.8 Bar).
Photo below is a modified straight bodied PRV ( Cosworth and RCM ) and the standard one below it.






Mick

 

Thanks
Can the different PRV be bought at all?

 

I must admit I winced too when I read that.

Let us know how you get on with the replacement sender Kwik

 

Will do. It still concerns me how often these PRV'S are meant to fail.