Diesel Engine Combustion Noise Reduction by the Control of Timings and Heating Values in Two Stage High Temperature Heat Releases 2016-01-0731 Reductions in combustion noise are necessary in high load diesel engine operation and multiple fuel injections can achieve this with the resulting reductions in the maximum rate of pressure rise.
Oct 19, 2017 · In this video I will go over some of the common causes of lifter tick / knock or upper engine noise in general, but also the causes of a rod or main bearing knock and how you may try to fix them ... Here are some methods of reducing diesel engine noise by about 10 to 15 dB. Engine oil. Use a synthetic engine oil instead of a regular mineral oil in the engine. Synthetic oils are about 4-5 times more expensive than regular oils for the engine, but they also are far superior with much better lubrication.
Diesel engine noise reduction - How? ... If its old try to add STP Oil Additives to Mineral or Better use synthetic. Clean the exhaust system and try a decorb.
Great on time delivery, put in my Diesel, I did notice a quieter engine, no fuel mileage improvement which is what I was hoping for. Maybe I will try another one at higher miles I only have 103,000 on it so far. My dad used the gas one in his car noticed better mileage, oil pressure, engine noise reduction. This results in a Diesel fuel of lower ignition quality. The use of Cetane Improver additives constitutes both a cost-effective and convenient way to reduce emissions and improve engine performance.  Refiners also use Cetane Improver additives in their Premium Diesel fuel for enhanced performances.