Did something lile that, well...kinda more my own version.
318 bored 4.040
Kb243 pistons
.024 above deck
273 Closed chambered heads 1.88/1.50
Cfm 220 int/160 exh flow roughly
Chambers blended and valves unshrouded.
9.6 comp.
.470 lift 262adv 110
Ootb Performer w/600 Holley
Doug's headers
305 hp @5200
380 peak tq