regardless of what rear you put in to obtain that speed listed in the topic is an accident waiting to happen if you didnt upgrade the suspension to something modern including the brake system!!! i have my hands full when i hit bad road or traffic at 50 with any of my trucks which are all stock. if your using your truck for hauling as i do, the handleing issue is then compounded making it more dangerous at that speed. if you want to go that fast in a bigger truck then i suggest you think about buying a new truck or approach the route grigg took with his 48 with front disc brakes and a air ride susspension (which ive seen up close and personel) and stay away from that speed until you do. you cant stress the safety of it enough. learn the limitations of your trucks so you dont kill someone or your self!
