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Oil Pressure

airbox

By airbox,
in Four Door Family & Wagoneers

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airbox Contributor

airbox

Posted
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what oil pressure does the rb25det run at, at tickover and through the revs please if anyone knows?

I have f**ked my engine by having a blocked oil strainer, (don't ask, long story!) but at no time did the oil warning light come on. I am getting a replacement engine fitted and thought of fitting either a depo gauge with a settable alarm on it or a higher pressure oil switch like this

http://automech-uk.c...uemart&Itemid=1

This is the cheapest option and at least the light would work then when there is still enough pressure to save big ends and main bearings etc. Or is the tickover lower than that?

I do not want to be caught out like that again. Some vehicles have the oil warning light fitted to a oil level switch which is totally useless in my opinion as you could have a full sump and no oil pressure!!

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66yostagea Grand Master

66yostagea

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Posted

When I relocated the oil filter and installed the gauges I fitted an oil temperature and oil pressure gauge.

On start up it runs around 50/60 psi, when hot and running it drops to around 45 psi. At hot idle its about 20 psi.

Temperature is about 85 with normal driving. Given a real good push up the Mountain it can get to around 110.

Have always used Fully Syn Nulon 5W-40 with 80k addative

After fitting the F/F plenum I still get a gurgle from the back of the motor after a hard run, but if I let it run for a minute or so, stationary,

it does not gurgle. Have got an oil cooler to fit soon, but wanted to get some braided lines so it looks better.

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KiwiRS4T Grand Master

KiwiRS4T

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Link sell an oil pressure sensor which when wired through the link will turn the engine off while oil pressure is below a given figure for the rev level. Sadly for you its not much use without the Link as the switch off point needs to be variable. If you set it to trigger an audible alarm below a certain figure that would probably be a pain at idle and on starting up.

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airbox Contributor

airbox

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I have got a depo oil pressure gauge and sender on the way, a bit starwars for my liking but it'll do what I want, will mount it in the centre top right air vent, already fitted r32gtr gauges below the aircon but they are boost, oil temp and volts.

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