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What should the oil pressure be?

x2shy

By x2shy,
in General Automotive Discussion

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Guest RedLineGTR

Guest RedLineGTR

Posted
Posted

idle and at 2000 is about right...the 6000rpm on pressure can rise upto bout 5-6 cant see the marks properly..but for 6000 is maybe another 1kg or 2 more than 4kg...oh well the only problems with pressure would be if you are using a high rating oil like 10w-60w my pressure jumped about 3kg on each spec on idle it was about 3kg. The stock gauges can be sometimes faultu too.

  • 8 months later...
Mr GTS4 Mentor

Mr GTS4

Posted
Posted

sorry to bring this old tread back but i saves me makeing a new one.. i have a R32 and at idle the gauge will sit at just under 4 and after it warms up it sits just under 2. then after about 10mins or so of driving when stopped again the gauge sits about 3mm from the 0 mark and on the highway it sits just over 2??? i'm using castrol magnatec 15w-40. could this just be a dead sender or gauge the car doesn't seem to drive and different.

Kinks Grand Master

Kinks

Posted
Posted

seems to vary a bit between models. and it's unusual to hear about a motor being damaged by lack of oil pressure - unless of course it's being used on a track and suffers from starvation under hard braking or something.

Mine will get pretty close to 0 at idle, with a thin oil like 5W-40. I tried some thicker synth oil and it held pressure a touch better but revability and cold start were affected. Now that it's coming back into winter again i put 5W-40 back, and I reckon thin oil's the go in any case.

My unprofessional opinion is not to worry about it, just work out what's normal for your car and if it does anything different THEN worry. :)

Mr GTS4 Mentor

Mr GTS4

Posted
Posted

i'll get a oil pressure gauge after my cooler install and see what the go is.. the car has 160,000 kms on it and has been serviced every 5,000kms ( that what the previous owner said, i hope ) and the head is only 60,000kms old. could it be a oil pump problem?

  • 2 weeks later...
semtex Apprentice

semtex

Posted
Posted

I got my '93 R33 turb serviced recently and since I got it back the stock oil pressure guage doesn't seem to be working. More specifically, it is sitting on 0 all the time.

I can't think of anything that they may have done that would have damaged it but surely I'm not driving around on 0 kg/cm2 oil pressure. The car is running fine.

Before the service the oil pressure guage behaved normally.

1-2kg for idle

4-5kg for boosting

Any ideas on what I should look at to fix it? (I have checked connections into the guage). Is there a sensor they could have knocked or something like that ?

Thanks.

GTRgeoff Grand Master

GTRgeoff

Posted
Posted

Make sure they haven't disconnected the sender connection on the oil filter block, under the intake manifold.

Mine goes off the dial when cold and drops to 2 at idle when fully warmed up and will go over 6 on the track at full noise.

It all depends on how many kays the engine has done and what your oil level is.

I let my oil level get down too low and it dropped to those low pressures, then a big end bearing ran. The bearings were old tho.

  • 4 weeks later...

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