A clean engine is not just for show; it can actually improve your car's performance and longevity ... Hot engines and cold ...

Read more: How To Clean Your Car's Engine Bay: A Step-By-Step Guide How ... If these aren't kept dry, they can develop mold ...

The dry-ice-cleaning world could be considered the highest-level OCD crowd. Think about the underside of a car and the intricacies ... the door jams, the engine bay, the trim.