The stock oil pressure gauge may most charitably be characterized as an idiot
light with a
needle...
Gary McCormick
San Jose, CA
Ray Cole wrote:
> Re oil pressure.
>
> My pressure gague read low (non-existant actually) at idle on my 68 2000.
> I bought a high quality gague and hooked it up and I had plenty of pressure
> at idle, the stock gague just was not reading accuratly.
>
> So...before you start changing your oil pump it may be worth it to
> determine what your oil pressure really is.
>
> Ray
>
> 68 1600
> 68 2000
>
> At 10:49 AM 07/02/2001 -0700, Daniel Neuman wrote:
> >Hello,
> > Okay it really sounds like something is not exactly right with the
> >timing chains. If they are all new and if the cam towers are shimmed
> >correctly it should not reattle on hot restart. Maybe the cam towers were
> >not shimmed enough?? Or maybe Dana is correct and the tensioner is bunged
> >up. My oil pump is shimmed (by the Po) and I do have more pressure at
> >idle than a standard U-20.
> > I don't want to cast dispersions on the p.o. but how can you be
> >absolutely sure he replaced everything?? Did he show you receits?? He may
> >win awards for the car but they don't check the chains do they?? Or make him
> >hot-restart the car??
> > Daniel 69 2000
> > SF CA
> >
> >> Thanks to all the people that got back about my chains and things. I spoke
> >> to the previuos owner today, he assures me that the cam towers were shimmed
> >> and line bored during the re-build. He also said that all the chains guides
> >> and tensioners were brand new 10,000 miles ago. The car was restored in
> >> 95/96 and has only traveled to club meetings and things over the last 5
> >> years or so. The car has won plenty of awards for condition and
> >> presentation, so I do believe the guy when he tells me what has been done.
> >> So, what next. ?? Brad ( the last owner/restorer) supplied me with a brand
> >> new oil pump. This was to be his next step in fixing the problem, until the
> >> need to pay off his mortgage prompted him to sell the car.
> >>
> >> Do the U20 engines have a common problem with low oil pressure. Based on
> >> others experience, would this be a possible/probable cause.
> >>
> >> Symptoms are, cold starts - no rattle. When the engine reaches running
> temp,
> >> the chains rattle at 700 to about 1000 rpm and then go quiet above
> >> that........any ideas anyone??
> >>
> >> All the best, Brian.
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