Review on Lubegard 30916 Heavy Engine Protectant by John Carter

A great way to safely improve the quality of most motor oils. People say motor oil has everything you need but I can't believe it lasts the drain interval OR they just put in what the budget allows. Some boutique oils exceed the price of 10-20 per liter because they add more anti-wear additives to their oil. Use lubegard biotech with confidence. I think it works best with Group 2-4 base oils. Follow the instructions, call the support service if necessary. They usually do their job well. Blue color is also useful. The dipsticks aren't as good as they used to be, so they darken the oil a bit so you can see the fill better. I paid an extremely fair price and I am satisfied again. Stops engines, cleans rings, doesn't stick well to metal, and probably cracks parts a bit to slow consumption or leakage. Try it!