Just picked up a Monogram '32 Ford today! What you're doing is exactly what my plan is, only much much much better. I don't know that I'll be able to pull off a rusted look, but my first question is: How did you make/source that frame? It's a Z frame correct? I want my rod to be scraping pavement, and the stock frame isn't going to allow that. 
 
Thanks!  
 
William