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The 1996 Japanese-market Mitsubishi Galant was the first mass-produced car to use a GDI engine, when a GDI version of the Mitsubishi 4G93 inline-four engine was introduced. [52] [53] It was subsequently brought to Europe in 1997 in the Carisma. [54] It also developed the first six-cylinder GDI engine, the Mitsubishi 6G74 V6 engine, in 1997. [55]
The first four-stroke direct-injection petrol engine for a passenger car was released the following year, in the Mercedes-Benz 300SL sports car. [38] However the engine suffered lubrication problems due to petrol diluting the engine oil, [39] [40] and subsequent Mercedes-Benz engines switched to a manifold injection design. Likewise, most ...
Cars with gasoline direct injection (GDI) have been especially prone to carbon buildup, and car makers recommend fuels with higher detergent levels to combat the problem. [18] At first GDI was mainly available in high-end autos, but it is now being used in mid-range cars and economy cars, such as the Hyundai Sonata, Ford Focus and Hyundai Accent.
The Omega Ω is a V8 engine produced by Hyundai Motor Company. It is a dual overhead cam design with electronic multiport fuel injection or gasoline direct injection . GDi
The Smartstream G1.0 T-GDI is a turbocharged inline 3-cylinder engine with gasoline direct injection (GDi); the engine makes 120 PS (118 hp; 88 kW) at 6,000 rpm and 17.5 kg⋅m (127 lb⋅ft; 172 N⋅m) of torque between 1,500 and 4,000 rpm. A detuned version with 100 PS (99 hp; 74 kW) between 4,500 and 6,000 rpm is also available for some ...
The Mitsubishi 8A8 engine is a range of V8 powerplants produced by Mitsubishi Motors since 1999. The only variant to date is the 8A80 , a 4.5 L (4,498 cc) with double overhead camshafts and gasoline direct injection (GDI) technology.
Either engine control units are reprogrammed to operate more efficiently, [23] or sensors that influence the ECU's operation are modified or 'simulated' to cause it to operate in a more efficient manner. Oxygen sensor simulators allow fuel-economy reducing catalytic converters to be removed. [24] Such devices are often sold for "off-road use ...
Engines using the Diesel cycle are usually more efficient, although the Diesel cycle itself is less efficient at equal compression ratios. Since diesel engines use much higher compression ratios (the heat of compression is used to ignite the slow-burning diesel fuel), that higher ratio more than compensates for air pumping losses within the engine.