RPM Diesel knows that one of the best things you can do for your diesel engine is preventative maintenance. While repairs and overhauls are a great solution if and when something does go wrong, timely and comprehensive servicing can prevent the need for a costly fix. RPM Diesel offers extensive engine maintenance services from oil changes to fuel injector testing. Another great option that RPM offers are various lubricants and engine additives to help prolong the life of your diesel and improve fuel efficiency. BIOBOR- Biobor is one of the most trusted brands of engine additives in the diesel world. The Biobor company produces many…