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Jaguar's V12 engine and AJ6 inline-six (AJ16) engine were both available in various X300 models, although they received significant updates. Both engines were fitted with distributorless electronic engine management systems. The V12's new management system was designed by Nippon Denso. The top aluminium cover in the engine's valley was ...
An evolution of the 1964 DOHC prototype “XJ13” engine, the Jaguar V12 engine is a family of SOHC internal combustion V12 engines with a common block design, that were mass-produced by Jaguar Cars for a quarter of a century, from 1971 to 1997, mostly as 5.3‑litres, but later also as 6‑litres, and 7‑litre versions that were deployed in ...
The V12 remained available until the end of the X300 production in 1997, although it ended one year earlier in the United States market due to problems meeting OBD-II-related emissions requirements. Jaguar first introduced the supercharged XJR model in the X300's production run; the first supercharged road car manufactured by the company.
The 2.9 L (2,919 cc) used a SOHC head from the Jaguar V12 engine, and was prone to failure. The block is the same as the 3.6, with the crankshaft and pistons lowering the stroke to 74.8 mm (2.94 in). The block is the same as the 3.6, with the crankshaft and pistons lowering the stroke to 74.8 mm (2.94 in).
The original 1986 car gave way to the heavily revised Jaguar XJ (X300) in 1994, followed by the Jaguar XJ (X308) in 1997. The XJ40 and its later derivatives is to date the second longest running XJ platform, with a total production run of 17 years. After the XJ40, Jaguar's intention was to launch a brand new saloon with a new V8 engine.
For the launch of the Jaguar S-Type (X200) model, Jaguar, under Ford ownership, developed a new and complex multi-link suspension unit for the Ford DEW98 platform. The driveshafts had now ceased to be a structural part of the suspension, so they could be fitted with constant-velocity joints that allowed their length to vary with suspension travel.
Jaguar's business was founded as the Swallow Sidecar Company in 1922, originally making motorcycle sidecars before developing bodies for passenger cars. Under the ownership of SS Cars, the business extended to complete cars made in association with Standard Motor Company, many bearing Jaguar as a model name. The company's name was changed from ...
From July 1981, the XJ-S was renamed the XJ-S HE and received the new High-Efficiency V12 engine for much better fuel economy. A positive side effect of the more efficient "Fire Ball" combustion chamber designed by Swiss Engineer Michael May was that power output was increased to 295 hp (220 kW; 299 PS) or 263 hp (196 kW) in North America. [11]