31. Fuel and engine oil tanks were in the fuselage. 32. The engine oil filter was mounted behind the gearbox. 33. The engine oil had been changed three weeks before. 34. The air is thick with the mingling odors of engine oil and burnt transmission fluid. 35. Some engines have an oil cooler, a separate small radiator to cool the engine oil . 36. Some systems use an engine oil pressure sensor instead. 37. The manual advises stretching it to 20 : 1 if using SAE20 motor engine oil . 38. The company on Tuesday launched its petrol engine oil Havoline Formula 3, in Sri Lanka. 39. The brand range now includes a variety of engine oils , oil filters, chassis gear lubricants. 40. Plama, which produces mainly engine oils , ran into debts because of continuous mismanagement under previous governments.
