Re: low oil pressure

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Posted by mike mis on August 16, 2018 at 14:51:34 [URL] [DELETE] :

In Reply to: Re: low oil pressure posted by BlasterStumps on August 16, 2018 at 14:37:52:

At the 5 psi there is no engine knock, I've had the valve cover off and you can see it gets oil at 5psi. This engine block was sent to a machine shop the crank was turned to .010 under and the mains line bored there are no cam bearings but the cam bores were checked for out of round and fit. rods and mains were set to .002 clearance.the oil pump was checked and found to be within spec. The last 2N I owned I also went thru the engine much the same way and had low oil pressure at idle. That engine meet the spec for oil pressure at 1500 rpm which was about 25 to 30 psi warm but also dropped to less than 5 psi at idle. Both tractors run fine make no noise or knocking sounds from the engine. My TO-20 hold 30psi oil pressure at idle and at wot. Mike


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