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MCA-Jet was a simpler system that sent the same air/fuel mixture to all intake and MCA-Jet valves. Each MCA-Jet valve is quite small and may be prone to carbon build-up, causing the MCA-Jet valve(s) to stick open. If a Mitsubishi-designed engine has low compression, the MCA-Jet valve(s) could be the cause. Each MCA-Jet valve and valve seat are ...
"MCA" stood for "Mitsubishi Clean Air", reflecting Japan's new air quality laws. The MCA-II was cleaner yet, and with balance shafts it also offered a much smoother run, at the loss of a few horsepower. The Sports engine did not meet the stricter emissions laws, which led to the demise of the Skipper.
Firing order is 1-3-4-2. The GSR versions used two twin-barrel Mikuni-built Solex carburetors for a total of 110 hp (82 kW) . 4G32 ECI engine in a Mitsubishi Mirage. A version with an early iteration of Mitsubishi's MCA lean-burn system (MCA-IIB), fulfilling the intermediate Japanese exhaust regulations for 1975, was called G32A. This was built ...
The rocker arms for the intake valve were widened on the valve end to accommodate the cartridge, which was equipped with a very soft valve spring in order to avoid wear on the camshaft intake lobe. Modifications to the head were thereby reduced as the Jet Valve negated the necessity for a three-valve-per-cylinder design.
The 1.6-litre MCA-Jet four as the smaller sedans and coupes was standard with the 2.6-litre, 105 hp (78 kW) Astron engine optional as well as a five-speed manual transmission. [9] While the last year for the Lancer-based Colts was 1979, the wagon was continued alongside the front-wheel drive Mirage-based fourth generation models until 1981 when ...
Airbreathing jet engines are nearly always internal combustion engines that obtain propulsion from the combustion of fuel inside the engine. Oxygen present in the atmosphere is used to oxidise a fuel source, typically a hydrocarbon-based jet fuel. [1] The burning mixture expands greatly in volume, driving heated air through a propelling nozzle.
This version could switch between breathing through two or three valves per cylinder, to combine high top-end power with low-end drivability as well as allowing for economical operation. [1] It was a modification of Mitsubishi MCA-Jet technology which used a secondary intake valve to inject air into the engine for more efficient emissions ...
Argus As 014 (aka "Argus 109-014") – pulse jet engine for V-1 flying bomb and Tornado boat Argus As 044 [ 37 ] Argus As 16 4-cylinder inverted inline 40 hp [ 37 ]