Oil Pressure, Canadian 251 M37

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Posted by Bob in N.GA [108.162.221.239] on Wednesday, November 07, 2018 at 15:23:56 :

When cold and cranked, the oil pressure builds quickly to about 35psi, at idle.
After warm up, ten or fifteen min of light fall weather driving--back at idle, only about 10psi or slightly less.
I am running "Heavy Duty, CF 30w HD"motor oil.--increase the rpms to half throttle and she raises a little,but not up to the cold starting mark.
Is this OK for an older rebuild, but not too high mile engine?


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