“Retire? Why would we retire? We only work two hours a week as it is.” Ray, or is Tom? Click and Clack the Tappit Brothers have been on Public Radio pretty much forever. These are a couple of Boston auto mechanics who answer questions about cars, car repair, and pretty much whatever they feel like talking about. The show is hilarious the first time you hear it-it’s all about the brothers quick wits and snappy come backs and the way they insult each other. It’s a fun show. But there is something about the voices of these two yuks that…