What is the NORMAL oil pressure at 600rpm in gear -- only8-1o poun...

[heinz wittenbecher]

I think I'm going to quit worrying about this one.
Seems just too many variables, i.e. fresh engine vs 100k, who built it, etc.
etc.

I'm certainly not going to pull the engine just to get at the pan/oilpump,
etc. so hopefully the synthetic will do some good even without oil pressure
to at least get me to the next off-ramp or maybe I'll be lucky enough to
be close to home.

One way to find out if those stories are true... i.e. running out of
oil(pressure) and thankfull that it was synthetic. I used 15w40 pre
Synthetic and will have a look to see if synthetic 20/50 is available in our
neck of the woods now instead of just 5/50. The current Mobil 1 (15/50)
supply will get me home at least.

Thanks for all the replies.

Heinz
100 hours/ 4500 miles of driving sofar this trip.

>
>> I wonder how may variations of actual pressures we'd get if everyone put
a
>> mechanical gauge on
>
>Hi Heinz!
>
>For the 1 hr I had my engine running in my frame off and in test mode, I
had
>a mechanical tester installed. I had close to 10 lbs of pressure with
idle.
>When I did goose it to 4000 the pressure went to 35lbs. Seemed pretty low
to
>me so I asked the mechanics in the back. They said that was pretty much
>normal for a 75 455. I am using 10w40 whatever Napa oil is.
>
>Scott NEHODA'S
>BACK YARD
>
>
>

 

[thomas g. warner]

Heinz, easiest way to check is to put straight 30 weight oil in it for one
oil change and notice the pressure. If it goes up, the synthetic you are
using has to low a viscosity at the low end. Remember when discussing
synthetics the viscosity index as used in Dino oils is different. If it were
my engine I would probably check the oil pump if you are getting
consistently low readings. If it is still low I would just use the
synthetics and drive it.

however when I got another engine I would make sure that it was built to
Mondello specs. I have his Oldsmobile V-8 engine technical reference manual
and it is worth much more than the $24 he charges. Chuck full of tips for
the 455. When you got done you would have the recommended oil pressures and
a long life dependable engine. Ask Dave Greenberg how good a Mondello
engine is.

>
>I think I'm going to quit worrying about this one.
>Seems just too many variables, i.e. fresh engine vs 100k, who built it, etc.
>etc.
>
>I'm certainly not going to pull the engine just to get at the pan/oilpump,
>etc. so hopefully the synthetic will do some good even without oil pressure
>to at least get me to the next off-ramp or maybe I'll be lucky enough to
>be close to home.
>
>One way to find out if those stories are true... i.e. running out of
>oil(pressure) and thankfull that it was synthetic. I used 15w40 pre
>Synthetic and will have a look to see if synthetic 20/50 is available in our
>neck of the woods now instead of just 5/50. The current Mobil 1 (15/50)
>supply will get me home at least.
>
>Thanks for all the replies.
>
>Heinz
>100 hours/ 4500 miles of driving sofar this trip.
>
>
>>
>>> I wonder how may variations of actual pressures we'd get if everyone put
>a
>>> mechanical gauge on
>>
>>Hi Heinz!
>>
>>For the 1 hr I had my engine running in my frame off and in test mode, I
>had
>>a mechanical tester installed. I had close to 10 lbs of pressure with
>idle.
>>When I did goose it to 4000 the pressure went to 35lbs. Seemed pretty low
>to
>>me so I asked the mechanics in the back. They said that was pretty much
>>normal for a 75 455. I am using 10w40 whatever Napa oil is.
>>
>>Scott NEHODA'S
>>BACK YARD
>>
>>
>>
>
>
>
Tom & Marg Warner
Vernon Center NY
1976 palmbeach
"The beautiful Mohawk Vally"

 

[heinz wittenbecher]

> Ask Dave Greenberg how good a Mondello
>engine is.

Dave,
How many miles on your Mondello?

Heinz

>
>
>

>>
>>I think I'm going to quit worrying about this one.
>>Seems just too many variables, i.e. fresh engine vs 100k, who built it,
etc.
>>etc.
>>
>>I'm certainly not going to pull the engine just to get at the pan/oilpump,
>>etc. so hopefully the synthetic will do some good even without oil
pressure
>>to at least get me to the next off-ramp or maybe I'll be lucky enough
to
>>be close to home.
>>
>>One way to find out if those stories are true... i.e. running out of
>>oil(pressure) and thankfull that it was synthetic. I used 15w40 pre
>>Synthetic and will have a look to see if synthetic 20/50 is available in
our
>>neck of the woods now instead of just 5/50. The current Mobil 1 (15/50)
>>supply will get me home at least.
>>
>>Thanks for all the replies.
>>
>>Heinz
>>100 hours/ 4500 miles of driving sofar this trip.
>>
>>
>>>
>>>> I wonder how may variations of actual pressures we'd get if everyone
put
>>a
>>>> mechanical gauge on
>>>
>>>Hi Heinz!
>>>
>>>For the 1 hr I had my engine running in my frame off and in test mode, I
>>had
>>>a mechanical tester installed. I had close to 10 lbs of pressure with
>>idle.
>>>When I did goose it to 4000 the pressure went to 35lbs. Seemed pretty
low
>>to
>>>me so I asked the mechanics in the back. They said that was pretty much
>>>normal for a 75 455. I am using 10w40 whatever Napa oil is.
>>>
>>>Scott NEHODA'S
>>>BACK YARD
>>>
>>>
>>>
>>
>>
>>
>Tom & Marg Warner
>Vernon Center NY
>1976 palmbeach
>"The beautiful Mohawk Vally"
>
>