Originally Posted by Matt Monson
Actually there have been a couple of changes over the years, but nothing major. From '99+ they no longer have that plate on the top of them. There's a couple of other little casting differences that I don't remember off the top of my head. But internally, they are pretty consistent...
Right forgot about that. They changed the center diff casing in 99. Also turbo and non-turbo trannies have a different clutch mechanism so the casing is actually different.