All Classified forums require a Site Supporter subscription. It is only $25 per year and you can buy and sell whatever you like on the forum. To become a Site Supporter, go to Your Profile and select "Paid Subscriptions."
You got a fairly wide path to bag the truck especially if you want to lay frame. The frame above the rear axle will have to be notched and you will need a link bar system instead of leaf springs...welding is a necessity.