How to adjust adjustable rockers?

I'm tight on time this weekend but got a few minutes to pop the passenger side valve cover and tighten down each rocker 1/4 turn. First impression, it seems to have helped. Will have to drive some more next week and see how it does. If it starts acting up more I'll do the full-on treatment. Thanks guys!

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Looks like you have Crane style lifters with the lock nuts. That's a good thing. Good luck.