Mineral oil is not as versatile as synthetic oil and must be changed more often. Prices for mineral engine oils start at Rs. 370 for a three litre can.

Engine and gearbox oil needs to be replaced at regular intervals. The latter – depending on whether your drive a diesel or petrol engine car, can be between 10 000 and 20 000km.

It is known to last nearly 50-70 per cent longer than mineral oil which ultimately leads to savings in the long run. On the whole, synthetic engine oil is definitely better.

Reciprocating Engine Oil 101 Oil types fall into three main types— straight mineral, ashless-dispersant, and synthetic— and all need to be changed regularly.

Too thick? If the base oil is too thick, the oil might not flow correctly. This means that it won’t transfer heat away from the engine as it should. The oil itself could also start to oxidise ...

This is also why you should only use conventional mineral oil in rotary engines; synthetic oil creates harmful deposits in the combustion chambers and doesn't lubricate the rotor's rubber O-ring ...

The Japan Lubricating Oil Society (JASO) provides specifications for petrol engine oils which are particularly relevant to motorcycles and other small engines. There are specific standards for ...

A basic understanding of lubricants – and the differences between synthetic and mineral oils – car lead to cleaner engines. Sadly few drivers spend much thought on what oil to use in their engines.