Vintage trucks that once hauled hay and hardware are now quietly trading for sports-car money, as collectors chase originality, period-correct restorations, and rare performance packages. I look at 10 ...

They were noisy, shaky and rattling — and, in some cases, billowed black smoke from their exhaust stacks — as they climbed the 4,200-foot Tombstone Pass east of Sweet Home on Saturday morning. But the ...