Hyd Roller vs Hyd Flat tappet on SM heads

I don't have to look at the B3 website to know how geometry works. The error I pointed out a couple of years back is still there...has not been corrected. I cannot get that websire to work, but from memory, it stated that the rocker ratio never changes. It does. P'rod length can change the ratio, the ratio being valve lift divided by lobe lift. Here is just one example:

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