1.05L REVOTORQ ENGINE 1 3.1 GENERAL INFORMATION A. ENGINE INTRODUCTION : The “1.05L REVOTORQ” is a new generation 3 Cylinder 1.05L Common-Rail Turbocharger Intercooled Diesel Engine. This Engine is fitted with “Delphi” common rail system with 1600 bar injection pressure which is controlled by a 32 bit Electronic Control Unit (ECU). The Engine performance is optimized for various engine speed, load and operating conditions depending upon the various sensor’s inputs. The Waste Gate turbocharger (WGT) used on this engine works on Turbine Technology (WGT) having low inertia of turbine and compressor wheels which reduce the turbo lag at low engine speeds and improves the transient response of the vehicle. The fuel economy and emission has been optimized at source by means of low engine friction, faster engine warm up, centralized piezo injectors, optimized combustion, Close-Coupled Catalytic Converter (CCC) etc. Hydraulic Lash Adjusters and Roller Finger Followers are used for maintenance free quiet operation and reduced friction. Toothed belt drive with belt auto tensioner is used for quiet Engine operation for longer period & for ease of serviceability. The Engine NVH is optimized by using a balance shaft, optimized Engine mounts, multiple injection strategy etc. The Engine weight has been optimized by using Aluminum cylinder head, gallery cooled piston, Aluminum Alloy auxiliary brackets, non linered cylinder block with spherical skirt, superior alloy material for high strength.
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