Saturday, September 10th, Gateway IPMS swap meet and model contest. Holiday Inn, Route 66, 10709 Watson Road, St Louis, Mo. 63127 PDF flyer has not yet been updated to reflect actual contest date, but it will take place on the 10th.
(While not exclusively a model car contest, there are multiple car/vehicle categories.)
This is usually a real good show, with good vendors and a fairly substantial contest, with many categories. It's always a lot of fun, so if you're in the St Louis area on the 10th, stop by and check us out.