Hi i neesd some help with setting up a transmisson and transfer case swap in my 85 chevy scottsdale 10 i currently have a smoked 700r 4 and 208 transfer case in it and found a complete th 400 with converter 208 tansfer case and cross member for a good price and want to swap this set up in i use the truck on the farm driving and truck pulling its a long box regular cab and has 32s on it what do i all need to modify to make this work im worried about the kick down and some people told me there is a vaccum modulator i have to convert any help will help