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oil flows from the block to the head and up number 1 intake side head bolt to the fwd rocker stand and also lubricates #1 cam bearing. it then flows through the rocker shaft to the middle rocker stand, down the intake side head bolt to the head to the middle cam bearing. it also flows down the rocker shaft to the last rocker stand and dose the same thing for #3 cam bearing. there are also holes in the shaft to oil each rocker. i guess you could have something in your rocker shaft. hmm i wonder if rocker shafts could be wrong
no one. you can't clean the oil passage with he head on because it runs right into the head bolt.
Well I geuss I'm pulling the head at this point. Todd from engnbldr told me that I cannot use a brush to clean out the passages in the head...but I'm not sure what his reasoning was.
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