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.
![](https://sod1plus.com/wp-content/uploads/2016/05/before.jpg)
Before Adding
![](https://sod1plus.com/wp-content/uploads/2016/05/after.jpg)
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.