the total number for non r/t shaker cars from everything I have read is 72 cars.dont have a breakdown of engines or options,but i have one of the 72 cars myself.my build sheet and fender tag both have the n-96 code on them.i would like to know how many of these cars had vinyl tops,and how many did not.every car I have seen in books or online have had vinyl tops,mine does not,inquiring minds(mine)want to know!