Thanks for the replys. No I am not planning on racing, I just want to build a dependable daily driver and I think that is very possible. I am going to discs on the front and dual master cylinder. I may go power brakes but I am not sure yet. Ralphy if I am following you correctly you seem to be saying that with my slightly hopped up engine I will have enough power to not need to change my rear gears? Is this what you are trying to say? I wouldn't think that the horsepower increase would make that much of a difference. Remember guys, building old trucks is about having fun. I have wanted build a old truck since I was ten years old and a AD since I was fifteen. Originally I wanted to butcher it by clipping it with a nova subframe. I am long past that and just want to build a truck that is safe as POSSIBLE, and as operable as POSSIBLE for todays driving conditions. I am not a fast driver now and I won't be in this truck, I do want to keep up with traffic however. I just want 65 on top without the pistons swapping holes. With as much torque as these long stroke inline motors make I think this can be done without total bottom end loss. I am just trying to determine how to do it with some insight from people who know much more that I do. Thank you!