Grandpas know how to treat a child right. Aubie Richards, 20 months old, has a tiny 1956 Chevy of his own that’s the spitting image of the gleaning red-and-white Chevy owned by his grandfather, Jim McDonald. They were at the Faith Baptist Classic Car and Bike Show Saturday at Faith Baptist Church, 3755 N. Germantown Road, Bartlett. (Click to enlarge.)Photos by Tyrone RandallAddyson Erhardt helps her grandfather, Ed Erhardt, keep his 1948 Chevy truck shining. (Click to enlarge.)