Posted by Bill in IL on April 16, 2013 at 17:59:35 from (216.24.116.183):
I got my 560 running again tonight after being apart for 3 months. I took it apart to clean the valve train from condensation and corrosion. I assumed that things were plugged up and the valves to not get proper oil flow therefore causing them to stick and creating the running problems I had (backfire up the intake).
The real question here is how much oil flow on the upper end is enough? I had it running about 10 minutes with the valve cover off and had very little (10 drops) oil splash out. I would expect to have oil flowing down the rocker arms readily and had very little. Engine oil pressure is good at about 45lbs at high idle and 25 at low idle. At the number 6 cylinder I had a steady stream of oil leaking out of the rocker arm shaft till the engine warmed up. I know from working on small block chevy motors they make a mess when you have the valve cover off at idle. I was expecting something similar with the tractor.
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