Trans-Am Barracuda???

Your car or a 65 Valaint would be my next choice for a Road Racer with a small block. Their K members are unique but other than anything that any other A-body can use, they can use also. RMS has an Alter-K for the early A's as well. I would think an aluminum headed small block with 550+hp and a 5 spd with 275mm rubber would be a lethal combo.