Look into piston coating,cylinder head chamber and valve coatings, wide lsa cams to reduce cylinder pressure. Fuel injection setups that retard the timing if need be when it starts to detonate. $$$$$$ is it going to be worth it on a street car probably not.
71 scamp 340 509 cam 456 gear,68 fury1 318 3spd on the tree,50 merc flathead 3x2 3spd w/overdrive
