Higher tolerances and friction in the injectors result in a burning effect on the engine oil. A layer of oxidized oil and additives form from this burning thus slowing down the injector causing poor performance and smoke.
2 PACK Hot Shots Secret Stiction Eliminator For PowerStroke Duramax Cummins 32oz
Hot Shots 64oz Stiction Eliminator Engine Restorative High-Performance Oil
Hot Shots Secret P040464Z Diesel Extreme Clean and Boost 64 fl. oz.
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Hot Shots Secret Friction Reducer FR3 32oz. Synthetic Oil Additive Protects