This sounds fucking wicked. [ame="http://www.youtube.com/watch?v=UNnrHgBDD1c"]YouTube - Old Kenworth W900 with an 8V Detroit Diesel[/ame]
It's not out of the question. One of my old coworkers had a 74 nova with a 454 that had been punched out to a 502, it was built by Allan Armstrong and it was a beast.