here is my 4 speed i just picked up. going to order a gasket kit for it and then when she warms up it that ever happens i plan on getting it put in.
http://i942.photobucket.com/albums/ad263/bluecarpenter/2010-02-23134105.jpg
http://i942.photobucket.com/albums/ad263/bluecarpenter/2010-02-23145046.jpg
http://i942.photobucket.com/albums/ad263/bluecarpenter/2010-02-23145111.jpg
http://i942.photobucket.com/albums/ad263/bluecarpenter/2010-02-23145130.jpg

when i look in the end of the tail piece i can see the bearings in there. how does the oil stay in it?
it is definatly bigger than the 3 speed. looks like a beast.