Start with about 5 quarts in the trans. Have a friend start the car while you are ready with the funnel and about 7 open quarts of ATF waiting. As soon as your pal starts turning it over start pouring. Once you get about 5 more in after the original 5, start checking the fluid. On a new trans, you definatly don't want the pump to be running dry!! I just did this procedure on my 2004R and all went well. I think in the end I wound up with around 11 or so quarts in the new trans and convertor, don't know how much the T350 will hold.
HTH