Results of Oil Pump removal

["Karl Peterson" <longrammopar@xxxx>]

I thought the list would like to know.....

I installed a mechanical oil pressure gauge. I decided to go ahead and 
remove the pan and inspect the pump pickup and screen.

Before draining the oil, the pressure was 45# at cold start up and after 
hot, especially at idle, dropped to 20#, but would return to approx 30# at 
highway speeds. (I guess it really wasn't as low as the factory dashboard 
gauge had indicated).

Upon inspecting the oil pickup after dropping the pan, I found it to be 
clogged with particles resembling thin pieces of "caulking" and very small 
strips of what looked like felt gasket material.

After cleaning all the gook off, I flushed the system with 10w oil, replaced 
the pan and refilled the sump with SAE 30 HD Quaker State and a new Napa 
Silver filter.

At start up the oil pressure was 50#. After well warmed up, the pressure 
dropped to 30# to 35# at low speed and at idle. At highway speeds, pressure 
remained at 50#.

I am satisfied with the results and relieved that I don't have a major 
rebuild staring me in the face at this time. I want to thank ALL who 
offered hints, tips, suggestions and some invaluable information that I 
wasn't remotely aware of. I couldn't have done it without y'all.

Karl
'61 300G


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