The challenge of resurrecting some of the most wrecked muscle cars on the face of the earth.

Mark tries to prove to the crew that car restoration involves more than physical labor; Josh and Daren visit the mangled '71 Cuda's crash site.

Mark worries about the dipping of a rare '71 Cuda; the engine builder works on the 340 Magnum.

Mark hopes his acquisition of a new Dodge Challenger will help Josh learn more about the history of the iconic muscle car.

Mark and the crew attempt to get the engine of a '71 Charger R/T roaring for the first time in over 30 years.