Most the fastest boats used Rolls. As you probably know, there were several variants IE Merlin, the "biggest" being the Griffons as I understand it.
The demise of the old engines is why I'm not particularly interested anymore. I find no thrill in listening to Kirby vacuums go by
Incidently, around 69--70 Pay 'n Pak tried to race with a pair of Keith Black 426 hemis, but later went to a Rolls Merlin
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