WEST PEORIA — In 1987, Neal Auto Parts raised a white, two-door, 1982 Buick Regal onto a platform welded across the middle of an eye-catching 50-foot arch planted deep into concrete in front of the Farmington Road business.On Thursday, that Buick came back down to earth."Tires are flat," joked Dan Condre, of Hardin Signs, as the car immediately settled on its four metal rims, not the four tires probably devoid of air since the early 1990s.