i am not sure i follow what kind of tranny are you putting in there? a 2wd ss tranny is the same as the awd ss tranny except the 2wd has a tailhousing bolted to the end instead of a tcase. if your putting a different tranny then the 4L70e in your suv then you may need a custom crossmember and driveshaft. do to differnces in size and shape and crossmember bolt holes
Trans will take a dump within a few weeks if you dont build it with a turbo/supercharger. Rear end isnt an issue at all, no problems with it. Or anything AWD for that matter, I know guys running 630awhp with a built trans and thats it.
If you are getting a Level V, spend the extra 500 bucks and get a Level VI. The Level V has a standard ouput shaft, and it is gonna break. Mine lasted 45,000 miles, and then broke. Had to upgrade to the Level VI. My TBSS is bone stock. With power adders, don't waste your time and money---Get the Level VI.:yes:
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