Tony travels to Nashville, Tennessee, to find out why a 2021 Jeep 6x6 is not running the way it was built. While there, he works on a 1967 Mustang.

A botched 2020 Jeep comes in with an engine from 20 years prior; Tony and his team try make this modern Jeep run with classic parts; a British sportscar that hasn't been driven in years comes into the shop looking to regain its royal status.