On my 1963 259. Since I have owned it, I have noticed a very prominent ticking coming from under the drivers side valve cover. I removed the cover, checked the clearance, about .024. Some were tighter than others, so I adjusted them to where they were more evened out. All of the lifters on that bank make noise, but today I found out that so do the ones on the passenger side. However, the ones on that side are not very loud. The ones on the drivers side are loud enough to hear while driving, even at high speeds. When I placing the feeler gauge into the gap, the rocker arm in question would go silent, until I removed it. Is this normal? Should I be worried? I did a search and found a thread similar to this, but it did not answer the questions that I seek in detail that I would like to know. There is plenty of oil flow (as my soaking garage floor can attest) so I am pretty confident that lubrication is not the problem.
Thanks!
1963 Lark, waiting for spring...
Thanks!

1963 Lark, waiting for spring...
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