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Engine Oil API Ratings Explained: What CI-4, CH-4, SN and SP Mean for Indian Vehicles

Most buyers judge engine oil by its viscosity grade – 20W40, 15W40, 10W30 – and stop there. But the engine oil API rating printed right next to that grade is just as important: it tells you how much protection the oil actually delivers and whether it is built for a petrol or a diesel engine. […]

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Mineral vs Synthetic vs Semi-Synthetic Engine Oil: Which Is Right for Your Vehicle in India?

When people compare engine oils, they usually focus on the grade — 20W40, 10W30, 15W40 and so on. But there is a second choice that matters just as much: the type of base oil. The mineral vs synthetic engine oil decision affects how well your oil protects the engine, how long it lasts between changes,

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80W90 vs 85W140 Gear Oil: Which EP Gear Oil Grade Does Your Vehicle Need?

Choosing the right gear oil is one of the most overlooked decisions in vehicle maintenance, yet it directly affects how long your gearbox, axle and differential last. In the Indian market two grades dominate: 80W90 and 85W140. Both are extreme-pressure (EP) gear oils and both protect gears under heavy load, but they are engineered for

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