2.5V6 Oil pressure - Alfa Romeo Forum
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Help 2.5V6 Oil pressure

Hi all, I have my 3rd 155 and this 1 is a 2.5 made 1996. What is the oil pressure for these with the oil temp gauge showing 80deg C and the water showing 90deg C? Does anybody's car get above 100deg C at all?
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Re: 2.5V6 Oil pressure

My oil pressure sits at about 4 to 4.5 bar when hot at full revs. At idle it's about 2.5 bar when hot.

100C ??? Do you mean the water or oil ????

My oil will reach 100 if I'm blatting it about the country roads.
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Cheese Re: 2.5V6 Oil pressure

And on trackdays, Marlon?
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Chilling Re: 2.5V6 Oil pressure

It is the water temp at 100deg C!! If the oil is that hot I would be worried!!!
What does your water temp sit at whilst idling in town and cruising?

Anybody else???
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Re: 2.5V6 Oil pressure

I did see 100 deg water temp a few times last summer - hot days and motorways. At the same time oil temp was the same.

Normally I am at 90 degrees water and 80 oil though during the cold weather oil temp rarely creeps above 70!

Marlon's oil pressure sounds okay - mine either has a knackered engine or the pressure sensor is knacked (new one waiting to go in!).

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Re: 2.5V6 Oil pressure

Oil runs hotter than water. Oil temp gauge scale up to 150degC and water temp upto 120degC although not sure of the 155 gauges - been too many years since I last drove mine.
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Wave Re: 2.5V6 Oil pressure

OK Thanks toops

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