Only a week away the largest in the Portland Oregon area. April 9, 10 and 11th and the speedway swap meet starts a day earlier on April 8th just next door to the Expo Center.
Presented by six Portland Oregon area antique car clubs, The Portland Swap Meet is the largest auto parts swap meet on the west coast with approximately 4,200 vendor stalls and over 50,000 shoppers each April at the Portland Expo Center.
http://www.portlandswapmeet.com/