I have an 88 3500 4 dr dually. It has a fuel injected 454, th 400 trans, it get really bad fuel miliage. it a really nice truck and runs great.
i was thinking of going to an 700 r4 or something along that line, anyone done this swap or something similar. what yr trans would i need ? what all would i run into with a swap like this? Gas i killing me. thanks Rhonda