I would recommend that you temporarily install a calibrated oil pressure
gauge in line to see what your actual oil pressure is. The original gauges
are notoriously for not reading correctly.
Mike MacLean
56 BN2
60 AN5
On Mon, Aug 2, 2010 at 1:14 PM, Tom Felts <tomfelts@windstream.net> wrote:
> My experience is the same as Steve's. I do not have the screw-on oil
> filter.
>
> tom
>
> ---- BJ8 Healeys <sbyers@ec.rr.com> wrote:
>
> =============
> Hi, Mark -
> 40 to 50 psi on the highway when the oil is hot is pretty good. My BJ8
> runs
> at just below 40 on the gauge when hot, and has since the engine rebuild in
> 1999. I now have 70,000 miles on the engine rebuild and the oil pressure
> is
> the same as it was with a fresh engine. At idle (1000 RPM), the pressure
> when hot can drop down to 20 psi or even lower, with no problems. I have
> always used Castrol 20W-50 until recently, when I changed to Valvoline VR-1
> Racing 20W-50 for the ZDDP content. No change in pressure. I also have a
> screw-on filter adapter, but it is one of those antiques (1987) from Moss
> that holds the filter at the same orientation as the original canister.
>
> Steve Byers
> HBJ8L/36666
> BJ8 Registry
> Havelock, NC USA
>
> -----Original Message-----
> From: healeys-bounces@autox.team.net [mailto:
> healeys-bounces@autox.team.net]
> On Behalf Of Mark LaPierre
> Sent: Monday, August 02, 2010 3:05 PM
> To: healeys@Autox.Team.Net
> Subject: [Healeys] Oil Pressure
>
> I have clocked about 400 miles since a complete overhaul on my car and
> engine
> and
> am experiencing some pretty low oil pressure at 40 to 50 pounds on the
> highway.
>
> The car runs smooth, idles well, no oil leaks (yet) , I am using Castrol
> 20-50 now since
> I changed from the Valvoline 20-50 plus a break in oil , which I ran for
> about
> 300 miles.
> Changing the oil made no difference. I do have other gauges that I could
> swap
> out and test .
>
> My main thought is that I am using a Moss spin on oil filter adaptor that I
> purchased back in 1998.
> Seems to me there were some issues with some of these units and I am
> wondering
> if this could
> be the cause of low oil pressure. This is the one piece unit that allows
> a
> screw on filter to be used
> and the filter sticks straight out from the engine. All internal/external
> engine parts are new or rebuilt.
>
> Any advise appreciated, Mark
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