65Vart. the distance listed in the posted chart is correct. If you are staying with
your same trans( either manual or auto) you are just changing the distance of the
centerline of axle to the centerline of the yoke. 7 1/4 is 10.09, 8 3/4 is 12.35.
The difference is 2.24 or approx 2 1/4inches...