Ford made a number of changes for the ’67 GT models. Among the positive developments, front disc brakes became standard. But to help bolster sales, more engines than just the hot S-code 390 ...

This is the first Ford engine to utilize a low-inertia twin-scroll ... These upgrades are projected to generate more than 420 horsepower and 390 lb.-ft. of torque. A new intake manifold includes ...