> You might want to have a look at the cam lobes. As has been
> discussed here before, oil composition has changed with resultant
> premature wear of flat tappet cams due to a lack of specific additives.
But, wear on the cam lobes, or any valve train component except the valve
seats/faces, will cause the lash to be larger, not smaller.
And since the cam lobes practically never wear on the base circle (where
there is no force against them), even a severely worn lobe won't affect
measured lash.
-- Randall
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