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Mechanical fuel injection, 'K' stands for German: "Kontinuierlich", meaning continuous.Commonly called 'Continuous Injection System (CIS) in the USA. K-Jetronic is different from pulsed injection systems in that the fuel flows continuously from all injectors, while the fuel pump pressurises the fuel up to approximately 5 bar (73.5 psi).
Bosch K-Jetronic multipoint mechanical fuel injection: ZDJL 851B: 130 hp (96 kW) at 5750 rpm: 19.2 kg⋅m (188 N⋅m; 139 lbf⋅ft) at 4250 rpm: 9.8:1: Bosch LE2-Jetronic multipoint electronic fuel injection: ZDJL 851Y ZDJL 851X: 117 hp (86 kW) at 5750 rpm: 8.8:1: Bosch LU2-Jetronic multipoint electronic fuel injection with catalytic converter
K-Jetronic was a mechanical injection system, using a plunger actuated by the intake manifold pressure which then controlled the fuel flow to the injectors. [55] Also in 1974, Bosch introduced the L-Jetronic system, a pulsed flow system which used an air flow meter to calculate the amount of fuel required. L-Jetronic was widely adopted on ...
US models sold from 1976 through 1979 used the Bosch K Jetronic system, an entirely mechanical fuel injection system. From 1974, the front and rear bumpers were dramatically lengthened, by 8 inches (203 mm) on each end, to comply with the U.S. National Highway Traffic Safety Administration regulations that mandated no damage at an impact of 5 ...
It has a bore and stroke of 83 mm (3.3 in) x 73.6 mm (2.9 in). The engine retained the Bosch K-Jetronic fuel injection system of its predecessor, but was fitted with a Marelli MED 806 A electronic ignition system. It produces 270 PS (199 kW; 266 hp) and 304 N⋅m (224 lb⋅ft) of torque.
The use of K-Jetronic CIS Bosch fuel injection in two of the three models in the line up— the 911 and 911S models, retaining the narrow rear wings of the old 2.4, now had a detuned version of the RS engine producing 150 and 175 PS (110 and 129 kW; 148 and 173 hp) respectively.
The M110.98x and .99x engines are fuel-injected engines, with Bosch D-Jetronic up to the .983 and K-Jetronic from the .984. All M110 engines have a displacement of 2.7 L; 167.6 cu in (2,746 cc) and a bore and stroke of 86 mm × 78.8 mm (3.39 in × 3.10 in). Firing order is 1-5-3-6-2-4. Amount of coolant in the radiator was 11 litres (2.9 US gal ...
The Bosch K-Jetronic "continuous injection" was a mechanical system with an electric pump (electro-mechanical fuel injection?) and provided a continuous flow of fuel into the engine. There was also the Bosch L-Jetronic "air-flow controlled injection" which was the first reliable electronic system (as far as I know) but this clearly isn't relevant.