Calendar: O.C. car events, Oct. 9-15

Placentia Heritage Car Show: The annual show is part of the Heritage Festival. The 401k Club: The club will hold its monthly open house at the 401k Club Hot Rod Shop. All Chevy Car Show: The 11th annual classics and customs show, hosted by Orange County Vintage Chevrolet Club of America, is open to 1990 and older Chevrolets. Orange County International Auto Show: More than 500 new vehicles will be on display and more than 100 will be available to test drive. At Angelo's Burgers, 2235 Ball Road,