Just a 284-484?

Real world dyno numbers... there's an oxymoron.
Who gives a rip? How fast do you want to go?? Had a 284/484 in my first 440, circa 84.
Sealed power flattop rebuild, everything else stock, Torker 2 and 750 DP 11 inch converter, 1 3/4 blackjacks, 3.91 gear. 73 Cuda that was my only mode of transportation. 12.89-107 on 28X9 M/Ts. 11.93-114 with 150 shot. Excellent street manners, made a 2000 mile roadtrip with 2.76s and knocked down 14.2 mpg.
Little brother took the 73 340 out of my Cuda, did a PAW/Krylon re-build, added a 284/484, dropped it in a 76 duster with stock HS converter and 3.91 gear, and went 14.0, then swapped on an LD 340 and a spreadbore Holley, and went 13.77 best, borrowed my plate and went 12.56.

Both of us went to 292/509s when we got better heads, converters, the typical Mopar journey!!

There are much better modern cams, which are more expensive...if I were running a 284/484 today, it would be a budget stock rebuild, because you can get away with stock valvetrain components, Or I would want 1.6 ratio rockers.