I know I know but I need help

[mrsmothers]

So I have a really common question I know its in the faq section but I Its still not clicking. So..... I cut my bed down and now need to cut the frame. well in the faq section its a bare frame. I dont want to pull the cab and I would love to leave the bed on may not happen but it would be nice. I need pictures and mesurements on how to do so. The rear is cut now I need to know where to cut the center. Its a coil spring truck dont want to move center cross member if possible.