Transmission blown .... again :(

[DRZDuke]

Bought my H2 in 2007 and I love it. I immediatly installed 6" FabTec Lift, 40" Toyos on 20" KMC's and of course a 2.0 Liter Kenne Bell Blower to up the power to drive the bigger rubber.
First tranny blew after about 1800 miles, had it rebuilt with stock components ... lasted 9 months/11000 miles \
Rebuilt again, this time using corvette servos and springs, aftermarket clutches with 9 steels and 9 fibers per pack as opposed to the stock 4 per, installed stage 2 shift kit to firm up the shifts.
This buildlasted until last week, about a year and a half and maybe 15000 miles.
To date I have spent over $5000 on transmission repairs and unfortunately can't afford to be doing this every year.

Obviously the 4L60E is way too wussy for our trucks, even when stock, so is there a way to mount up a stronger transmission to the 6.0L ? If so, what tranny would that be ?