erratic oil pressure
Turbo Mini Forums

After starting from cold,I get about 40psi constant.Drive a mile down the road,stop for 5 mins,restart and pressure is 55psi (which it is set to).Pressure climbs slowly too.I'm wondering about air in gauge line or faulty gauge.Any ideas anyone?

'Where does the engine go?'

By the sound of things you're using one of them adjustable PRV's?

Ive heard/read that they aren't that good, and could be sticking? Might be worth trying to get a foot pump on the gauge and check it with the gaue on the pump? Or fit a standard type PRV to illimnate that?

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1/4mile in 13.2sec @ 111 terminal on 15psi

Thanks Matty,I'll try that at the weekend.

'Where does the engine go?'

The last time I got erratic oil-pressure, the thrust bearings were shot.

The thrusts are new,replaced when I rebuilt the engine.The other thing which has changed is the turbo,T2 for T3,with associated new feed and drain,maybe the T2 flows more oil?

'Where does the engine go?'

Or your t2 bearings were worn more!

1/4 Mile 14.3secs 96Mph Terminal 10psi of boost.


Fibreglass Parts? - http://www.tdkracing.co.uk/
Split Rims? - http://www.force-racing.co.uk/

T2 was sold to me as freshly built,and there is no play in the shaft,but.........!

'Where does the engine go?'

I would start by pulling out the relieve valve spring and plunger and checking it for scoring that may be causing it to stick.

Saul Bellow - "A great deal of intelligence can be invested in ignorance when the need for illusion is deep."
Stephen Hawking - "The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge."

my thoughts are with paul s check for a bad seat as well

Thanks,fellas I'll go there first.BTW Steve,what was the paint you put on my exhaust elbow?Hasn't burnt off,so must be hi-temp.

'Where does the engine go?'

Tried another gauge and line,started from cold and got full pressure,so probably the original gauge at fault.However I now have other issues,see midget update.

'Where does the engine go?'