LP 944-20
The LP 944-20 is a series of high-performance aircraft engines developed by Rolls-Royce Motor Cars Limited for their iconic Grand Touring cars in the mid-1970s and early 1980s.
Introduction
The LP 944-20 is a family of V8 engines that were produced from 1976 to 1992. The engine was designed to power Rolls-Royce's Grand Touring cars, including the Silver Shadow III, Spirit of Ecstasy, and Phantom VI.
Design and Development
The LP 944-20 was a culmination of Rolls-Royce's experience in designing high-performance engines for their cars. The engine featured a number of innovative technologies, including a multi-point fuel injection system and a variable valve timing system.
Technical Specifications
| Characteristics | Specifications |
|---|---|
| Engine Type | V8 |
| Cylinder Count | 8 |
| Displacement (L) | 6.75 |
| Power Output (hp @ RPM) | 420 @ 4,200 rpm |
| Torque Output (lb-ft @ RPM) | 400 @ 2,800 rpm |
History/Background
The LP 944-20 was first introduced in 1976 as a replacement for the Silver Shadow's V8 engine. The new engine featured a number of significant improvements, including a revised cylinder head design and a new fuel injection system.
Critics and Reviews
- The LP 944-20 was praised by critics for its smooth power delivery and refined performance characteristics.
- However, some reviewers noted that the engine's reliability could be an issue in certain driving conditions.
- The engine also received criticism for its high fuel consumption and limited exhaust note.
Applications/Uses
The LP 944-20 was used exclusively in Rolls-Royce Grand Touring cars, including the Silver Shadow III, Spirit of Ecstasy, and Phantom VI. The engine was also used in a number of special edition models, including the Silver Anniversary and the 25th Anniversary.
Impact/Significance
The LP 944-20 played an important role in establishing Rolls-Royce as a leading manufacturer of high-performance engines for luxury cars. The engine's innovative technologies and refined performance characteristics helped to set new standards for the industry.
Legacy
- The LP 944-20 was succeeded by the V8 engine in the Phantom VII, which featured a number of significant updates, including a revised cylinder head design and a new fuel injection system.
- The engine also paved the way for Rolls-Royce's future development, including the use of advanced materials and technologies.
Related Topics
The LP 944-20 is part of a larger family of engines developed by Rolls-Royce, including:
- Rolls-Royce V8 (1976-1992)
- Rolls-Royce Phantom VI V8 (1980-2003)
- Rolls-Royce Silver Shadow III V8 (1965-1976)
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