Adding SOD-1 Plus at a ratio of 10% (300cc) of the total amount of engine lubricant oil, we examined the effect on an engine after 10,121km of driving. As the photos show, the engine sludge is well dissolved.

Before Adding

Adding SOD-1 Plus at a ratio of 10% (300cc) of the total amount of engine lubricant oil, we examined the effect on an engine after 10,121km of driving. As the photos show, the engine sludge is well dissolved.