@mgredshift_eu: A simple test. We poured Castrol Magnatec 5W30 into a testing machine and subjected it to heavy load conditions. In a very short time, the oil failed and began tearing a hole into the test roller surface. We then added an oil additive at a 6% ratio and doubled the machine load. The result was impressive — the load roller was not damaged at all. #Castrol #MGRedshift #EngineProtection #OilAdditive #Tribology