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Re: Oil pressure question

To: Awgertoo@aol.com
Subject: Re: Oil pressure question
From: "Alan Seigrist Blue 100" <healey.nut@gmail.com>
Date: Mon, 11 Sep 2006 11:37:04 +0800
Michael -

It's perfect!

Alan

'52 A90
'53 BN1
'64 BJ8


On 9/11/06, Awgertoo@aol.com <Awgertoo@aol.com> wrote:
>
> When I start my car up my OP is about 65 psi on the guage with revs above
> 2000 and about 40 psi at idle. However after the engine and oil come up to
> temperature the OP drops to about 55 psi at revs above 2500 and falls off
> to
> about 40 psi with revs of 1500 and only about 20 psi at idle.
>
> Do I have  an incipient problem? Last year I pulled out the relief valve
> spring and shimmed  it about 1/4" which increased OP about 5 psi across
> the board
> but I wonder if it  is time to replace the spring with a new one and/or
> lap in
> the valve. Or is my  oil pump not being all it should be?
>
> The engine was rebuilt about 50K  miles ago but consumes virtually no oil,
> does not smoke and runs strong. I run  10W/50 synthetic oil.
>
> Am I worrying unnecessarily?
>
> Best--Michael Oritt, 100 Le Mans




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