Let's say you're embroiled in an all-out mega-grill arms race against your dastardly neighbor. What's a car guy to do? Create an incredibly unique grilling masterpiece from the leftovers of a small block Chevy engine. Two years ago, Trent Whatley got the motivation to act on an idea he'd cooking up for a while — combine the awesomeness of a small block Chevy V8 with the manliness of meat on a grill. Here's how Trent tells it: My neighbor Terry Bacon had all the torches and welders so