Slant six upgrade 8 1/4 rear end?

[QUOit needsvshortenE=Slantsix64;1970506906]oh i dont think i would have to shorten it in the ball in trunion drive shaft goes d out about two inches[/QUOTE]

Yes It will need shorten weathet you use the ball setup or have it changed to a slip yoak that bolts up to your 904. No way around It if keeping the 904 with push button ttrans.