Certain additives protect the motor from friction damage. They could complete this by means of lubrication and movie forming. It is actually First of all a lubricant. To energy our vehicles, engines run at higher temperatures and underneath massive force. Large-mileage oil contains certain additives that cease leaky piston rings https://andyturmg.blogunok.com/34617199/not-known-factual-statements-about-engine-oil-treatment