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As a note... Noisy Valves are the least of the problems... By 105K J Series engines tend to have TIGHTER EXHAUST VALVES, Which are prone to make less and less noise.

So even if the Valve Train is not noisy you should still Adjust them as Exhaust Valves will always self tighten.
Intake Valves will become Looser and make more noise but by the time you are hearing excessive noise the Exhaust Valves will have no Gap which could lead to severe Valve Seat damage = $$$$.
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