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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 racing.
A 60-degree V12 engine is typically narrower than a 90-degree V6 or V8 engine of similar displacement. However, the V12 engine is usually longer than V6 and V8 engines. The added length often makes it difficult to fit a V12 engine into a passenger car, but the length is not typically a problem for trucks and stationary applications.
The major mechanical change was the replacement of both the inline-six and V12 engines with new eight-cylinder AJ-V8 in either a displacement of 3.2 L or 4.0 L, with the 4.0 L also available in supercharged form in the Jaguar XJR, a sport-oriented model.
Jaguar XJR-8 at the 2009 Goodwood Festival Of Speed. The XJR-8 was similar to most of the previous XJR racers with one exception, the engine. Though it was what people believed to be a standard Jaguar V12 the displacement was increased to 7 litres and the power was cranked up to 720 horsepower (540 kW).
An evolution of the design for the XJR-8, the XJR-9 was designed by Tony Southgate, built by Tom Walkinshaw Racing (TWR) and featured a Jaguar 7.0-litre V12 engine based on the production 5.3-litre engine as used in the Jaguar XJS road car. [3]
Jaguar V12 engine; X. Jaguar XK engine This page was last edited on 20 June 2024, at 09:05 (UTC). Text is available under the Creative Commons Attribution ...
Jaguar had considered the manufacture of a Dual Overhead Camshaft (DOHC) V12 engine as far back as 1950, [2] initially for racing purposes, and then developing a Single Overhead Camshaft (SOHC) road-going version, unlike the XK, which was designed as a production engine and later pressed into service for racing. The engine design was ...
The XJR-15 is powered by a 5,993 cc (6.0 L) 450 hp (336 kW), naturally aspirated 24-valve Jaguar V12 engine. The engine features an advanced electronically managed fuel injection system with a very advanced (for its time) 'fly by wire' throttle.