Overview: The guys reckon petroliana is plentiful in the Lone Star State, but tracking down a Texas-sized honey hole proves much trickier than expected. Still in search of a big-ticket trip saver, the guys move on to Illinois where they uncover one of the coolest cars they've ever seen. Meanwhile, in order to make a decent profit, Mike ups his $30,000 gamble on a Harley Knucklehead.