Wait until you see how long it takes to do it rite. There's a reason more people dont do it themselves. And a reason we wouldnt do it any cheaper.
I'm working on a new frame for a crf150/250rx with new ztyle trx 90 plastic doing a retro fit with yz80 until I can get to the whole new frame.
Look at availability of parts and the quality of them before you commit to building something.
You're talking about a trike conversion?
And yea that's something else that I've been thinking about is how the steel between the 2 frames is. The suzuki's are bad about cracking as it is