*I Think* you can run OE rockers. There is an option to purchase Harland Sharp rocker specifically designed for that very head. Edelbrock or Trick Rlow.
Like I said earlier, copy the Blue Print Engines camshaft. 241/257@050. Is add 1.6 rockers to get into the better area of head flow myself.
Mopar vs. Ford 408 Stroker Shootout in Engine Masters Ep. 11
