A long shot, I know, but thought I would throw out there,
George Turner Edwardian racers series. They all run on the same chassis (included in the kit, nd there is an improved printed chassis as well.
http://www.georgeturnermodels.com/shop/edwardian-racers/
There are currently 21 kits available.
Attachments:
"Enjoy every sandwich"
-Warren Zevon