Can pushrod holes be enlarged on late 70's heads? It's my understanding that these make lifter removal undo-able with the head on. Is this just a sucky thing that I'll have no choice but to accept? I apologize in advance if I'm just readdressing someone elses old post.
Oh yeah... I've never done headwork on these. So hopefully my question doesn't seem too stupid or obvious. Thanx a mil. Jaymo

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Verberat nos et lacerat fortuna.
Fortune batters and torments us.