Suggestions welcomed

I have a first year LA360 that was built in 1999, and now has over 100,000 hard miles on her. But she's estimated at only 400/425hp.
It has an A833 with a GVOD and an 8.75 with 3.55s. To survive, it needed 1350 joints,U-bolt straps,and a modified CFII, with a regular 340 disc. I also installed a second mainleaf on each side, eye-to-eye. Yes the disc has a short lifespan, but it absorbs a lot of abuse.
The engine, with oiling mods, is bullet-proof, even with a FTH cam.
If you decide to try a manual trans;
Resist the urge to go A833od.I blew 3 of those up. Two were my own fault,as the OD gears are incredibly fragile. But on the third one I unzipped the input/cluster drive teeth,and was instantly walking.