Muerde

Hi Guys some help if possible regarding so guages I have just had put in, oil pressure specifically.

From Cold starting my car the oil pressure is off the scale 100+ on tickover, as it warms up it drops to below 35...

Should I be worried?

whats normal for a scooby ooh its a 2001 bugeye wrx

cheers

Ian

jaytc2003

iTrader: (1)

no, dont be worried (assuming warm idle is 34 and not when caning it)

Think subaru quote much lower figures than this, was a thread recently and the subaru book pressures are quite low (IIRC think it was only 1 bar on idle 14.7psi or thereabouts)

Muerde

Just to keep me panicing, at about 60 in 5th maybe 2500 rpm I am getting a reading of 105psi... infact anyhing above 2000rpm my pressure guage hits 100+.....

and while I am here the temp sticks at 140F / 60c stationary and 100F / 37c whne I am moving... but it has been cold....

Anyone?

Phildodd06

Is that oil temp?

rigga

iTrader: (4)

oil pessure readings are fine as mine is exactly the same,anything above 2000rpm the reading is off the scale,drops down to 40 ish psi when warm on idle..... temps im not sure about.r

Muerde

ok so lets say the pressure is acceptable and I wont panic about that cough... still think its far far too high but for now I will leave that problem

Cheers

Will post the temp problem seperatly...

Ian

jaytc2003

iTrader: (1)

your pressure isnt a problem, it will only be a problem if you overfill your car with oil therefore increasing pressure even more.

Muerde

GF took the pics last night.. while I was driving...
60mph less that 2500rpm and 100+ Psi
I still think thats a huge amount of pressure, must be a way to reduce this..

dan83590

what grade oil you using?

jaytc2003

iTrader: (1)

Muerde to put thinks into perspective.

My 1992 classic on original engine (from what I can tell) with just over 150k has oil pressure around about the same as yours, touch wood its fine (apart from a slight airleak)

As Dan says what grade are you using, where is the gauge getting its reading from? is it on the existing oil pressure switch or is it taken from a sandwich plate on the filter? If its a sandwich plate on the filter then check the oil levels as it would have been refilled when fitted.

Muerde

Cool cheers I will find all this at lunch time, had a oil and filter change yesturday. When the guages were put in...

Cheers

Ian

WRXshaneWRX

iTrader: (1)

mine is around the same on a classic

silent running

You should only see huge pressures like that at cold start up, never once the engine's warm. The oil pump has a relief valve in it (or should) to stop the oil pump from over-pressurising the oil at moderate to high revs. If you're seeing high pressures like that in any conditions except the first few minutes after a cold start, you've either got a problem with your oil, a problem with your gauge, or with your pump. It's NOT normal.

Muerde

Now thats the kinda responce I was expecting, ok what can I check, the release valve must be the first thing? can that have got stuck shut? And I guess their is ppotential that the gauge is wrong!!

Tomorrow I will chekc the pump the valve.. I am going to assume the gauge is correct for the time being... can I stick some engine diagostic on which might tell me?

Cheers

Ian

rigga

iTrader: (4)

Well mine has been as described above for 18 mnths now with no problems what so ever...... its been covered so many times here that anything above idle even when fully warm the pressure reads very high..... id be gobsmacked if there is anythig wrong at all with those readings.

Although will say i do ot run an expensive set of guages like delfi's.so might have a bearing

rigga

iTrader: (4)

Double post........