well i can say that must of the mustangs in israel are 6c.
its not a powerfull motor but its easygoing reliable and simple motor.
lets say that he castrated and not kicking ass, 4 me mustang with 6c its just another classic car , not the mucle car that every1 dream about.
so the answer is seek 4 the perfect body on budget...
u can always modify the motor to kicking ass V8