The intellectual post,about old school camshafts,the newer ramp cams.. and what's needed ,in modifi

How fast can you go with a white box 204/214 cam on 112* lsa .420/.454 lift with 1.5 rockers?
IDK, maybe 8 mph with new sneakers. but after that my knees are gonna sing a pity-me song, for a bit. But in my workboots, 4 mph is already pretty fast.