Powerplants Of PasoOne thing that was clearly noticeable in comparison to other car events was that engines, especially interesting, well-dressed engines, were a highlight of the Paso Robles event. While the venerable Chevy small-blocks and Ford Flatheads were represented, alternate vintage power was easy to find in every direction. Everything from Ford Y-blocks, to Buick Nailheads, Oldsmobile Rockets, Cadillac V-8s, and even more diverse power like Studebaker engines were all seen in fine hot rod dress. Here's a sample of what could be found, with many more interesting mills making a mighty roar.