I voted for September. As for the specific date, you may want to keep in mind that the Goodguys car show is September 21-23 at IMS. Although the Friday and Saturday are only for cars 1972 and older, this year there is the all-new “Super Sunday Get-Together” is for all years of American made and/or powered vehicles.
http://www.good-guys.com/event-sched...ay-nationals-2