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Which oil should we use in turbo compressed vehicles ?
In order to fulfil the lubrication and shaft cooling needs of the turbo-compressor, oil must answer to very strict criteria. The shaft reaches, a very high temperature, due to the proximity of the exhaust gasses, a very high temperature. Oil must lubricate the shaft continuously otherwise the high temperatures would permanently damage it and the temperature would then very rapidly reach very high levels.
These conditions mean the oil has to offer considerable detergent property, an important resistance to oxidisation and deposit formation, but especially very high a thermic stability. The use of SYNTHETIC oils is therefore the most recommended solution in these conditions. Turbo-compressors are characteristic of the diesel engines, as it is very easy for petrol engines to reach the same power level by other means, such as electronic injection, cylinder head multi-valves, etc.