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valve noise update 200 1977

uid 27's pic
posted by  Art Benstein on  Sat Apr 17 09:16 CST 2004
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last visit: Fri Oct 17 20:10 CST 2014
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Just another pair of ears, but I heard this in person and while feeling around the cam cover would have made a good wager Joe would find an obvious reason for it right underneath the cover at either #2 or #3. So I was pretty surprised to learn of the consistent good clearances and no evidence of oiling difficulties.

A local Volvoist who also owns a 77 just rebuilt the head and told me of brittle and cracked hushers. I've no firsthand experience with these or the bucket arrangement beyond glances in the JY, but is it possible one broken silencer is responsible for this? But the sound is the equivalent of my recollection of one bad hydraulic lifter on that type of motor, not a deep knocking or heavy sound, and if I recall right, it tends to fluctuate lower in volume with increased rpm and vary as it warms up-- which led me to guess something wasn't getting oiled well.

Pretty low of me to run off so quick and leave Joe to get his hands oily?
--
Art Benstein near Baltimore






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