Just a 284-484?
That cam takes me back 30+ years!! Was running that cam in a 383 in my 69 Charger back at Quaker City Dragway. 284/.484...it was my first "performance" cam. Stock iron heads w/ a bit of bowl blending, stock 383-2bbl shortblock, a DP4B intake, 750 vac Holley, Hooker Comp headers, and a 4.10 gear in the 8-3/4. 10 TCI converter in the 727 that stalled around 3000 rpm. 26.5" tall slicks, open exhaust. Car weighed (and still does) 4260#'s. Best was a 13.04 at about 104 mph. Shifted it at 6700-6800 or it would slow down! Never did get a 12 sec timeslip!
Ran it that way for many years until the motor got tired and wore the rings out. That's when the 440 went in...with the same heads, a CH4B intake, same carb, dismal 9.2 cr, 292/.509 cam. 12.40-something was its best at around 109.