A couple of things...
Definitly leave the 20s for that modern look but thats up to you.
On that third pic you really need to clean up those welds, take your time when your welding and make sure your welds are penetrating, looks like you got a couple spots that grabed by looking at the hotspots around the weld but its not steady. Im only telling you cause i do custom suspension work and i would hate to see the *ss end of your car fall out while driving around. So make sure evrything is solid before you put it back together and keep up the good work cause its looking sick. Ill be starting on my suspension real soon.