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Date:         Tue, 22 Aug 2017 16:29:12 -0700
Reply-To:     Christophe Guilbert <cguilbert@PICASSO.UCSF.EDU>
Sender:       Vanagon Mailing List <vanagon@gerry.vanagon.com>
From:         Christophe Guilbert <cguilbert@PICASSO.UCSF.EDU>
Subject:      oil pressure problem on my 1983 air-cooled
Content-Type: text/plain; charset=utf-8; format=flowed

Hi guys,

I installed recently an oil pressure gauge in my vanagon (air-cooled 2L 1983)

in a hot day (100F) , my (very annoying ) alarms triggers all the time when I am idling. the pressure is less than 5 PSI for an oil temp of 250-260F.

I notice that the oil pressure really diminish over oil temperature which is normal but I am wondering if I am within the spec .

When engine is cool , I have a PSI of 45. I have 20PSI around 240F when the van is cruising at 60-65MPH, it goes down to 15PSI at 260F while cruising at 60-65MPH.

I think my oil pressure is too low , What do you think ? . Do you think my oil pump is guilty ? , I went cheap by not replacing it when I rebuilt my engine.

Do you also think that the low oil pressure could be the reason why I have noisy hydraulic lifter when the engine is cold.

Thanks for any feedback

Chris


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