Posted by pete 23 on April 16, 2013 at 20:13:58 from (74.47.40.242):
In Reply to: 560 valve oiling posted by Bill in IL on April 16, 2013 at 17:59:35:
Be sure to check that stream of oil out of end of rocker arm shaft. There is not that much supply coming up there anyway so it would certainly short change the other rockers. One other thing you have to watch on those engines. Number three pedestal is where the oil comes up from below. Some times the oil hole in rocker arm shaft gets partially covered by the pedestal. I saw one, later model engine in a 666 that covered that hole completely and no oil to rockers at all. Just a slight shift in the pedestal when assembled covered hole as engine ran for many years previously with no problem. I lengthened the hole so it could not happen again. The wear on rocker arm bushings and shafts are often over looked also and this causes all kind of problem, but usually excess oil to valve area.
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