throw in a valve body upgrade for better shifts, a larger servo, and a better cooler, and it should handle 450 for a while. also add to that the beast reaction shell. go here have a look at what they have.
http://www.transmissioncenter.net/hi...00r4.htm#Parts
these are some things that you can use to beef up ur tranny.

 

ok thanks for all the help bud.

 

dont mention it