7 1/4 to 8 3/4 info needed

Just a FYI, I did a 7 1/4 in my Valiant myself. Cost me $200 for seals,bearings,and spider gears(good used) add another $130 for new spider gears. Why ? Because I never rebuilt a 7 1/4. Will I do it again ? Doubtful, but I was on a budget and a 8 3/4 was out of my price range.