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Re: [Healeys] Oil pressure

To: 'Healey Bruce' <healeybruce@roadrunner.com>, 'Paul Leeks'
Subject: Re: [Healeys] Oil pressure
From: Robert Blair <rnbmail@yahoo.com>
Date: Wed, 29 Sep 2010 10:54:02 -0700 (PDT)
> From: Robert Blair <rnbmail@yahoo.com>
> Subject: Re: [Healeys] Oil pressure
> To: "'Healey Bruce'" <healeybruce@roadrunner.com>, "'Paul Leeks'"
<Paull@glasgows.co.uk>, healeys@autox.team.net, "Herbert Miller"
<hgmiller3@qwest.net>
> Date: Wednesday, September 29, 2010, 10:35 AM
> Paul,
>
> You are running low pressure .... since you rebuilt the
> motor it is unlikely to be the usual suspects of bearings,
> pump, or worn rocker shaft.  But you should worry about
> it anyway.
>
> Agree with Herb - pressure is constant within the oil line
> whatever the diameter.  Basic physics.  Larger or
> smaller line diameter makes no difference.
>
> Start with the pressure relief spring per Alan - easy to
> do.
>
> Could be faulty guage - cross check with a prof external
> guage directly at the block as someone had suggested.
>
> On numbers - with about 2K on rebuild, I get [hot] 55 at
> 4000 rpm, 45 at 2500 rpm, and 20 at idle 700rpm.  Cold
> at 1500 rpm is 60ish.
>
> Robert N. Blair  Yellow 65BJ8  RNBmail@yahoo.com
>
>  
>
>
>
> --- On Tue, 9/28/10, Herbert Miller <hgmiller3@qwest.net>
> wrote:
>
> > From: Herbert Miller <hgmiller3@qwest.net>
> > Subject: Re: [Healeys] Oil pressure
> > To: "'Healey Bruce'" <healeybruce@roadrunner.com>,
> "'Paul Leeks'" <Paull@glasgows.co.uk>,
> healeys@autox.team.net
> > Date: Tuesday, September 28, 2010, 6:09 AM
> > To be honest, the diameter of the
> > feed line should make no difference. There
> > is no flow in the line, just the transfer of
> pressure.
> >
> > Herb Miller
> >
> > -----Original Message-----
> > From: healeys-bounces@autox.team.net
> > [mailto:healeys-bounces@autox.team.net]
> > On Behalf Of Healey Bruce
> > Sent: Tuesday, September 28, 2010 7:44 AM
> > To: 'Paul Leeks'; healeys@autox.team.net
> > Subject: Re: [Healeys] Oil pressure
> >
> > I struggled with oil pressure that was on the low end
> for a
> > few years even
> > though all the usual culprits checked out fine.  I
> > finally traced the
> > problem to the copper feeder line to the gauge.
> Replaced
> > that line with one
> > of correct bore and the problem was solved.
> >
> > Bruce
> > Brea, CA
> > 1960 BN7
> >
> >
> > ----- Original Message -----
> > From: "Paul Leeks" <Paull@glasgows.co.uk>
> > To: <healeys@autox.team.net>
> > Sent: Monday, September 27, 2010 7:17 AM
> > Subject: [Healeys] Oil pressure
> >
> >
> > > Chaps
> > >
> > >
> > >
> > > Since rebuilding my engine last year I think that
> the
> > oil pressure seems
> > > to
> > > be a little low on the dial.
> > >
> > >
> > >
> > > When the engine is hot, the pressure indicated is
> as
> > follows: 20psi at
> > > 3,000
> > > and 30psi at 4,000.
> > >
> > >
> > >
> > > So, I was wondering, is this too low and did I
> see
> > somewhere about
> > > 'bleeding'
> > > the oil gauge to make sure you are getting the
> correct
> > reading?
> > >
> > >
> > >
> > > Many thanks
> > >
> > >
> > >
> > > Paul Leeks
> > >
> > > Lancashire
> > >
> > > 100/6 BN4
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