So we grenaded the 8.75 in our belvedere and replaced it with the aftermarket case from doctor diff.

If you are interested in more details check out the video on YouTube - 8.75 Video

You really can't beat doctor diff. Great stuff.

33 Plymouth Roadster - 383 - 5.90 1/8th 9.58 1/4
68 Dart - 340
66 Belvedere - 400

Windy Hollow Garage - https://www.youtube.com/@windyhollowgarage