8k rpm ...

Similar power per cube. That valvetrain was interesting to say the least.
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It takes a rebel to take a shaft rocker mount cylinder head and turn it into a stud rocker mount cylinder head.

You know, if we had run that engine with the head leaking water, it still would have won the dyno contest. Just fire it up and make the three qualifying pulls without shutting it off and then made the three scored pulls without shutting it off, and we had a winner.