For what its worth, my oil pressure at idle has been close to zero since the
car was new.
Gary
In a message dated Wed, 13 Feb 2002 4:23:26 PM Eastern Standard Time,
<fj201@cox.net> writes:
> I would put another newer pressure gauge on and recheck. The oil pump wears
>at the gear/plate interface and this extra clearance allows bypass of the
>pressure. At least that is how my memory serves me in my old age. The oil
>regulator is designed to relieve extra pressure when the oil is cold and
>would not affect normal pressure. A warm engine will only need 10 pounds per
>thousand RPM to be in top operating condition.
>
> Ron
> >
> > From: lou daly <lou_daly@yahoo.com>
> > Date: 2002/02/13 Wed PM 03:51:55 EST
> > To: datsun-roadsters@autox.team.net
> > Subject: oil pump question
> >
> > my 66 shows low oil perssure on the guage
> > quite low say 0 at idle and 5 at 2000 rpm
> >
> > i've run it for a couple of hours so far and
> > after the original smoke cleared there is no smoke
> > noticible and the engine sounds nice and smoothe a bit
> > tappety but similar to my 70 which runs well and has
> > reasonable oil pressure
> >
> > if i look in at the rockers i see a similar
> > amount oily wetness on both cars
> >
> > good advice has told me to put a proper guage on it
> > and change the oil and filter...
> >
> > my question relates to the pump itself
> > it looks basically robust in the diagram
> > can't imagine the main parts failing
> >
> > but what about the valve-oil regulator
> > bits (diag.6 in the parts manual)
> > looks like the spring could fail
> > or perhaps some blockage could occur at that point
> >
> > is it likely that the pump needs changing
> >
> > is it possible to pull the pan get at the pump
> > replace it without yanking the motor?
> >
> > thanks in advance
> > lou
> > Send FREE Valentine eCards with Yahoo! Greetings!
> >
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