xr3i_kev

hi folks just bought my brothers sierra which i have been after for a while as its really clean throughout its only a cvh which is the only down side to this car but i can get hold of a good runnin 2.9 4x4 with a fooked shell i want to drop this in my sierra minus the 4 wheel drive want to convert it to rear wheel drive can anyone give me some info on what gearbox to use, what fuel tank etc cheeRS kev