Kia Rio GT Line
2020 Kia Rio GT Line
1L Turbo 7 Speed DCT
https://www.krioyb.com/kia_rio_2017_yb_service_manual-348.html
Engine
Engine: G3LC 998cc (kappa) https://www.motorreviewer.com/engine.php?engine_id=143
The cylinder block is aluminum and designed as an open-deck type with cast iron liner. There is also a cast iron crankshaft. The shape of counterweights was optimized to minimize vibrations of a three-cylinder engine, which made it possible to exclude balance shaft from the design. The crankshaft seats in the block with the 11 mm offset against the cylinders line. For friction reduction, optimized lightweight pistons with a compression height of 24.7 mm and a short skirt length were applied. Piston rings are coated with Physical Vapour Deposition (PVD); piston skirts are MoS2-coated.
The 1.0L Kappa engine has an aluminum cylinder head with four valves per cylinder and double overhead camshafts. The head design includes pent-roof combustion chambers and tumble intake ports. The intake and exhaust camshafts are driven by a timing chain. The first in 1.0-liter class, the valvetrain was equipped with Dual Continuously Variable Valve Timing (Dual-CVVT) system. To reduce valvetrain inertial mass and friction, engineers applied mechanical lash adjusters (MLA tappets) with thin walls and taper valve springs.
The G3LA is a naturally aspirated engine, which has a convenient port fuel injection. The intake system includes two intake manifold options - with constant length or variable length (Hyundai's VIS). Both of them are made of plastic to reduce weight and costs. The exhaust manifold is made of cast iron - a little bit heavier than a stainless steel one but 30% cheaper.
The G3LC engine has a new split-cooling concept. The cooling system consists of two separate cooling channels for the cylinder head and engine block. Each of the channels has an individual thermostat. The cylinder block is heated more for lower friction and more efficiently run. The cylinder head is operating at lower temperatures to optimize injection and combustion.
