hi all
yes it might sound strange but it was the cause of my problem of to much oil pressure as it was blowing the seal on oil filter on start up
i fitted a series 1 oil pump to my rs as my old one had a weep and changing the seal whilst on the car is a utter headache its easier to just change it whilst off so i just decided to fit a new oil pump then i would know how old it was and miles done and that it flowed well
well fitted oil pump new belt filter sump gasket and oil started up had 105psi at cold hot idle was 25psi 50psi @ 2k revs pottering along and 70psi @4k on a test run ,parked the car up and left over night ,in the morning checked for any leaks and oil on the ground but not a drop
started the car and 2 seconds later i heard a funny noise and the oil pressure off the guage i shut down the car and had a look under the bonnet to find oil on the back of my bulk head and once i looked at the filter i see the rubber seal had popped so thought i just fit a new filter and that would be it but it did it again
so after adjusting the pressure from the oil pump i had another go and it was sorted and running 20psi at idle 40psi at 2k driving 65psi @4k 55psi @3k not driving all on hot engine
does any one know how to adjust oil pressure without using high pressure spring swop
mark

 

you sure you didn't fit the filter tight enough or didn't run a bit of oil on it before screwing it down?
never heard of too much pressure from a cvh oil pump.

 

Sounds like something was blocked and your oil took the easiest way out!!

 

lol
i fitted it all correctly made me think though
mark

 

i thought you would of got it karlos
na not blocked, car was running fine that day i changed it
what had happened was the answer was in my post ,you know where the pressure release valve is guverned by the spring and we all know to make a high pressure pump is to change the spring to one with a higher tension to make pressure valve open later well the high pressure pump i fitted had the little brass plug wound in to far from the factory and no sealer on to act as a stop normaly when you see the oil pump you see a red sealer around brass lug this is the stop point but it can be wound in another 1/4 inch and thus this causes more tension on the spring and a later opening and an increase in pressure so all i did was removed the lug put sealer around it and wound it in untill it was in a rough position like my old pump then adjusted it a quarter of a turn untill pressure was as stated in my post
i hope people suffering with low oil pressure reading this post dont start playing with the lug adjustment as your low oil pressure could be a number of other things like bearings or oil pump ect ect
mark

 

Oh I see! lol

 

Sounds like the oil pressure relief valve is stuck shut, OR an oil gallery is possibly blocked?

 

hi
its all sorted ,did you not read my reply
mark

 

This has been a massive help, did you adjust when the car was running?

Just started my rebuilt engine with new pump on and shot off the scale on pressure gauge past 7 bar then blew seal on filter.

 

It does sound like mine is more likely stuck than just out of adjustment, but still a helpful post.