Premiered: December 4th and 5th of 2010. HorsePower brings back its GM 572 crate engine for the supreme power test. The big block crate engine gets fitted with a nitrous oxide system for a "make it or break it" horsepower test in the shop's DTS dyno cell. Also, a road trip to one of the heartland's most popular cruise-in events - Somernites. Over a thousand cool cars come to cruise, show and race.