Cutting Edge Light Truck Diesel and Auto Repair We Fix Ford's 6.0 Liter Diesels! Cutting Edge Enterprises of Forest Lake has been providing area residents with professional and knowledgeable solutions to mechanical problems concerning light, Diesel Light Truck and Auto Repair, specializing in diesel engine repair, diesel performance, concentrating on the Powerstroke 6.0 and 7.3, Duramax 6.6, and Cummins 5.9 and 6.7 diesel engines.