I'd like to add more power.. Any suggestions???

I just purchased a 70 dart swinger with 340-727. 30 over at 368. 10 1/2 to 1 sealed power pistons,Comp cam 484-294, Mopar M-1 Intake, 188 j heads, edelbrock 750 carb on it... I'd like some suggestions on what I should put on this motor for mods to get more power... Thanks.