Hi JB

I use a Zoo rear beam in mine with a Jag 3.54 Power Loc.
Even you wont break that . The normal shafts supplied by Zoo are OK past 650bhp.
Maybe Danny B can do the same thing.
I gave a crate of Tesco wine for my Diff (thats the truth) from a Daimler Limo & then paid £440 to have it re-built & shot-peened.

ps. Did not go to Berks meeting last night as I went to my club to watch Livershite v Chelseabuns. Will be at Surrey.