Originally Posted by strvger01
they changed the body a fair amount around 1971-72 so amc could fit in their 6 cylinder engines and get a little more room inside with the cj7 models. the angle of the windshield changed for sure and the early cj doors won't work. you would have to get an early cj windshield and mount it on your '77 to make them work. too expensive really and there are lots more later model cj's around than the early ones.
The body change in '72 was just to lengthen the front clip.
Tops & doors from 55-75 will interchange.
1976, the windshield was angled back more, so 76-up top & doors are different.