Some questions that need to be answered first; what is the torque converter stall now, or are you willing to have one built? What heads are on the motor? What is the compression ratio? Intake manifold and carb ? What is the rear gear ratio and weight of the car? Exhaust system discription? What type of cam do you want, hydraulic,solid, flat tappet or roller? Being a driver, what kind of highway speeds and distances is the car used for?