Lifter noise in a warm engine is a very
common sign of dangerously low oil pressure. ??
I suspect Mr. Hoppa’s pressure
relief valve had stuck in the open position when he changed his oil (although
why that would have happened, I cannot imagine). ?
It is a good idea to pre-fill the new oil
filter when you change it, to reduce the time it takes for oil pressure to
build up. ?
However, in your case, I think you may
have an engine rebuild in your future.
I use SAE30W oil in all my old cars, and
in all my heavy equipment, but that is controversial and especially considering
you live in Massachusetts, I think that the variable viscosity stuff is probably
an OK choice for you too. ?I’d use 20W50 in a tired engine, which will
give you more rapid buildup of pressure, and will maintain adequate pressure
longer as your clearances get wider with wear. ??If you still hear lifter noise
when the engine is warm, it is time to consider the rebuild soon.? ?You can add
STP or some other gooey “mechanic in a bottle” band-aid to nurse it
along a while longer, but the time is short!
By the way, lifter noise upon startup is
an entirely different situation, and does not imply a worn out engine; that symptom
is most likely caused by a particle of dirt causing a lifter to leak down
overnight. ?This is a much less serious condition and can usually be cured by
adding a can of “CD-2” oil treatment to dislodge and flush out the
offending piece of crud.
Dick Benjamin (by the way, I live in Southern
California, where we seldom see temps below 32F.)
From:
mailing-list-owner@xxxxxxxxxxxxxxxx
[mailto:mailing-list-owner@xxxxxxxxxxxxxxxx] On
Behalf Of James Brown
Sent: Friday, August 05, 2005 6:14
AM
To: mailing-list@xxxxxxxxxxxxxxxx
Subject: Re: IML: Oil Pressure
Thank you all for your input on oil, lifters, etc.
I live in Massachusetts and have never used a single weight oil
but I would like to hear more about this from other Imperial owners
who live in similar climates.
Re: lifters. I am hearing some lifter noise and would like to put off
any related work until next spring. Any input, opinions, etc. are
'60 Crown Southampton (4 dr - white)
RandalPark@xxxxxxx
wrote:
It is normal for it to
take time to bring the oil pressure up after a change, especially when a brand
new filter has been installed. I have heard that this can be alleviated some,
by "priming the filter".
If you think that the oil pressure in your car is too low, I would certainly
NOT recommend driving it to bring it back up. You are far better off NOT
driving it, and waiting to see if you hear anything. Generally, if the car has
no oil pressure, the lifters will start to clatter and then become louder. Sitting
in the driveway, you can shut the car off immediately if you think something is
wrong. Driving it will almost certainly ruin the motor, if it turns out that
there is a problem.
Paul W.
In an email dated 5/8/2005 2:32:11 pm GMT Daylight time, "Anthony L.
Hoppa" writes:
>>>>> Please read the confidentiality statement below
<<<<
>
>I changed the oil in my '65 Crown a few days after I bought it.
Afterwards, it took a while for the pressure to come up. It took so
long I was getting very nervous. I started it, let it idle, shut it off.
Finally I drove it about a ½ mile. The engine had a clicking sound,
like a lifter or something, then suddenly the pressure popped up to normal, and
all is well. I used Valvoline 10/40. Should I use straight 30W?
Why would the pressure take so long to come up? The oil pressure on this
car is great, always stays in the normal range. Any thoughts?
>
>Thanks, Tony
>
>
>
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