Got a free 16' pipe top bumper pull with agle frame without the wraparound tongue. Gonna cut out the old tongue and top rail and run 5" channel for the tongue and all the back under the angle frame and extend to 20'. Also gonna cut out the old fenders and make drive over fenders from 8-9" channel when I reposition the axles. Thinking about using the big channel for the deck extensions to give me around a 96" deck. Think this would be easier than using 4" and framing out the extra width. The 5" channel running full length should compensate for the lost strength when removing the pipe top rail. Also, the drive over fenders should help make the frame more ridged too. Gonna use mobile home axles that I already have and shorten to desired length. Gonna convert to 6 on 5.5 hube cause I already have wheels and tires for this. Do any of u see strength issues with this setup? I am building to haul my rig on and what everelse I may need a trailer for. From what I have seen to buy a new trailer like this, I would be looking at around $3000, that is why I want to use this. If I was starting from scratch I probably wouldn't do it, but since the trailer was free and I have the axles and wheels, all I will be out is decking, wireing and the steel to do the mods. Should be able to do this for around a $1000. Input appreciated.