Tom Bell, 61, estimates he owns between 20 and 25 classic cars, trucks and motorcycles. His son Shawn, 31, a hobbyist in his own right, puts the figure closer to 30. “We bring home cars and trucks like other people pick up stray dogs and cats,” Shawn says.Behind every vehicle, there’s a story to tell. Like the time Tom, co-owner of Bell’s Sanitation Services in Grove City, Pa., sold his prized 1970 Z-28 Camaro to buy an engagement ring or the septic pumping job that cost him $37,000.“I’ve always been into cars,” Tom Bell says. “I would rebuild cars and
