There are few things more frustrating than trying to use a tool that itself needs to be repaired. Ray Bohacz, the Hot Rod Farmer, wants you to start the year off right. He offers some suggestions to care for often neglected shop tools. He also answers a listener’s question about modern engine oil use in an old gasoline powered grain truck. In the “Under the Sheetmetal” segment, the question is asked if a diesel tuner is right for you?