Run a Crower 60240 cam [210/221@050] and keep the stock springs. Run a pre `73 iron intake or edel. performer with a Q-Jet or 650 Holley.4 tube headers 2.25-2.5 inch pipes,quick timing
curve etc. should put you at low 15`s to high
14`s. By the way, with decent gears[3.23-3.73]
and maybe a little stall[2200-2800].