I swapped my 3:54 for a 2:88 in the 71 V12, and love it. My first choice (with enough cash) would have been the JT5 conversion, but I am enjoying the benefits of the new diff quite a bit.
To post images, max size is 200k. No idea what it will be with the new site, but perhaps it will shrink it for you like the smart phones do. :->