AlV 69 Dodge GTS project

Out with the 391 in with the 323.
I bought a 355 ring and pinion along with master rebuild kit to swap out the 391s.

Both 741 cases the only difference is mine with the 391 had the big 7290 yoke but the 323 center came with the small 7260 yoke. Is that a thing? It must be because I updated my order to include a 7290-7260 u joint.

IMG_2252.JPG