so i stayed up till 2 or so last nite looking to see where i can find the adapter to bolt on a 350 or 400 transmission behind either a 5.3 or 6.0 going to buy my motor this weekend so i also want to look for the adapter so my engine can be placed. will they bolt right up no problem or will there be some funny looking space or bolt holes not lining up right all the help greatly appreciated .....