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Oil Pressure Really High When Cold

PHaT MR30

By PHaT MR30,
in Engines & Forced Induction

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  • 2 weeks later...
Jez13 Mentor

Jez13

Posted
Posted

Well to compare - driving home last night my oil pressure was sitting on zero for about 20 mins and under throtle it would just go above one. At start up it sits on 4 till warm. Checked the oil the next morning and its still right on full which was serviced with the same motul turbo light 1,500kms ago. The cars behaviour has not changed at all...stupid guages. 98% Compression ratio result on all four pistons was tested 3 months ago. Will post again if my engine blows up.

Cjmartz2k Proficient

Cjmartz2k

Posted
Posted

Well, most of the things you just listed as "checked" have nothing to do with oil pressure (unless you ran out of oil). Putting more oil in it will not increase pressure (although thicker oil will), and cylinder pressure has zero to do with it also. With 0 pressure at hot idle, and just over 1 bar after some throttle, I hope for your sake it is the gage.

femno Grand Master

femno

Posted
Posted

Defi gauges read kg/cm^2 yeah?

When cold and a little bit of revving it hits just under 10, shown by peak hold option.

On hot idle its a touch above 2.

Built engine, 10w60 Castrol Edge Sport as directed by top notch engine builder. No dramas!

I wouldnt stress considering you know nothing about the motor. You cannot compare anyone elses motor to yours. Unless yours was nissan standard. Nor can anybody quote a figure from a factory guage!!!!

Jez13 Mentor

Jez13

Posted
Posted (edited)
Well, most of the things you just listed as "checked" have nothing to do with oil pressure (unless you ran out of oil). Putting more oil in it will not increase pressure (although thicker oil will), and cylinder pressure has zero to do with it also. With 0 pressure at hot idle, and just over 1 bar after some throttle, I hope for your sake it is the gage.

Yeah, i hope so too. Its hard to beleive the guage because I have this crazy relocation system with a cooler, pump extra lines to the head and the filter for some reason sits at the front just inside the bumper bar. I have to get someone noligable to have a good look at the car, coz honestly, i have no idea. P.S. Clicked your link - beautiful car. Mine is black too with the same steering wheel.

Edited by Jez13

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