By: Addison Wylie A familiar rule of thumb states that one should stick to what they know.  Comedian Adam Carolla has used that guidance to establish his filmmaking career.  It’s how he created some big laughs with his cathartic comedy Road Hard, a film featuring Carolla playing a cranky stand-up comic. Fans of the Aceman know that Carolla is also quite knowledgable about cars, racing, and the days of classic Hollywood.  It makes complete and…