Quote:
Originally Posted by chaoskaze
Such a nice read, this reminds me starting from 2015 model subaru actually changed the valve & part of the head, the new valve is actually longer (from 103.3mm to 105mm). Would that have anything to do with this?
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Don't know. It's possible the longer valve would make it less likely it would lose touch with the rocker. Depends on what other changes were made.