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Mazda FE-DOHC engine
The Mazda FE-DOHC was the DOHC variant of the FE. The official Mazda engine codes are FE-DE and FE-ZE, depending on output level. It is still commonly called the FE3 because of its head castings. The FE-DOHC shares the same dimensions as the original FE-SOHC, including the square 86 mm bore × stroke and it has an ideal 1.74 rod/stroke ratio. The FE-DOHC is usually identified by a gold-coloured cam cover, however not always. There were at least five different FE-DOHC engines available with various compression ratio, camshaft and ECU tuning combinations, however none were fitted with a turbocharger from the factory. Despite this, the FE-DOHC is already built for turbo with large forged connecting rods, large journal dimensions, oil cooler, piston oilers, web-stiffened block with main girdles (and braceplate where equipped). This robust engine design is a favourite of tuners who are aware of its capability because it already has a high-power capacity perfect for custom turbo jobs. As much as 600 whp has been seen on a stock engine. The common FE-DOHC crankshaft is cast while the forged crankshaft is fitted to the aluminum sump engines with both the main bearing braces and the main bearing girdle plate. In European 10.0:1 compression, non-catalytic trim, the FE-DOHC produces 148 ps (108 kW) at 6000 rpm and 133 lb/ft (182 Nm) at 4000 rpm. The 9.2:1 compression, catalytic converter version produces 140 ps. The Japanese domestic market variants produce anywhere between 145 ps and 165 ps. The only vehicle with 165ps was the 96-97 Capellas Wagons, FX (MT or AT) or FX Cruising (Only exists in AT). They had different tail lights to the earlier wagons.
==Applications==
The FE-DOHC was a European and Japanese market engine only (excluding use by Kia), and as such was only ever delivered in vehicles by Mazda to countries in those markets, with the exception of New Zealand who also received European market models. The engine was first fitted to the GD model 1988-1992 626 GT, 1987-1991 Capella and the 626 Coupe GT 2.0i/Capella C2 GT-X and GT-R. In South Africa, Samcor who built Mazdas under licence also fitted the FE-DOHC engine to the Mazda 323 from 1991 to 1994.
Alongside the sedan, hatch and coupe models the FE-DOHC was also being used in the GV wagon, which ran until 1997.
The rest of the world received the FE-DOHC in the 1995–2003 Kia Sportage, built by Kia under license. Kia first introduced the engine in March 1992, when they installed it in the Kia Concord, a license built version of the 1982 Mazda Capella. The Sportage variant was reconfigured for rear-wheel drive configuration with long single-runner intake manifold, low-duration cams and exclusively in the low compression ratio of 9.2:1.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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