Engine restore is a unique extreme pressure (EP) engine oil that repairs all worn metal on metal surfaces in all engine diesel, LNG, LPG, and petrol engines. AMETECH restore oil contains 1billion CSL (copper silver led) particles in each can and these tiny particles work their way around your engine, manual gearbox, or standard differential to repair all worn surfaces under 500 miles of normal driving.Quentin Wilson wrote in the Sunday mirror page 56 that AMETECH is not cheap but a very worthwhile investment in any engineWHAT IS RESTORE? Every vehicle's engine wears out as a result of friction during normal operation. This friction causes wear of the cylinder walls which leads to compression loss. Lost compression results in your engine having less power --- it runs poorly and has sluggish acceleration. It also can cause increased oil burning, exhaust smoking, and poor fuel economy. RESTORE Engine Restorer and Lubricant is a unique engine additiv