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Re: farmall c low oil pressure
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Posted by Mark on April 18, 2006 at 09:12:18 from (172.145.175.40):
In Reply to: farmall c low oil pressure posted by jerry G.erthofer on April 17, 2006 at 18:54:25:
I'll toss this your way. I cannot claim to know much about farmall's......but I do remember the old Chevys from the same era..late 40's-early 50's. They would idle with 5 or 6 pounds and that was perfectly normal....20 pounds at operating speed. These low RPM tractor engines..regardless of the brand...don't require 40-60 psi to keep them lubed! Sure more pressure assures oil is getting forced to the bearings and if the engine was operating at 4000-6000 rpm's, I'd want that kind of pressure...even though less would be okay there as well. We have become accustomed to high pressure oil pumps and systems over the last 45 years and tend to gauge everything against that standard. Your C probably has worn bearings....unless these machines have been overhauled....they all do! Oil pressure is generally taken off the cam bearings...not the mains! And, an oil pump generally either works or it doesn't. If it is pumping oil and the prssure is low..I'd suspect bearings. If the engine doesn't knock and keeps chugging along, I'd say to hell with it and enjoy it.
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