comp 268 cam too small.

Looking for your thoughts,on another cam.my old 360 Dart had the purple cam 474 280 nice sound and performance.my build now is 360 speed pro pistons 30 over 9 2 1 340 J heads 202 valve Edelbrock RPM PERFORMER intake hooker headers 268 comp cam, my engine builder says that's a small camshaft.stock convertor 323 rear gear sure grip.power disk brakes witch my hinder my choice but i could go to manual disks.so what are my choices. thanks gents.