got a 93 4x4 that i wan to put a 400 in that my homie trying to sell me thats bored .40 over now. So what all would i need to buy for this conversion and what off the 4.3 can i use. Also i want to change it to all wheel drive. Its bouy 6 inches worth of drop on the front and the 4wheel drive works fine no binding. Someone please help i want this to be a easy swap and fast like in on friday and sitting on the track that sunday!!!!!!!!!!!!!!