223 cu. in. Oiler Tube Removal?

jimsnjos

New member
I would like to remove the two oiler tubes that run up from the block up to the valve train and clean them throughly as I believe that sludge may be restricting the flow. Removing the tube holders from the top side is rather easy, however what are the proper steps to loosen and remove the lower end of the tube that go down in the block? Once more, I appreciate your help, thanks.
 
They just pull out. The back one, which is the feeder, has an o-ring type thing near the bottom. This engine seems to have very low flow to the top end. It took nearly 5 minutes before I ever saw flow come through the feeder.
 
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