Detailed procedures for engine disassembly, component inspection, machining specifications, reassembly, and break-in.
Wiring Diagrams:
Comprehensive and detailed electrical wiring schematics for all vehicle systems, crucial for electrical troubleshooting.
Technical Depth
Depth:
Comprehensive, covering everything from basic preventative maintenance to complete engine and transmission overhauls, including factory specifications and tolerances.
📊 Manual Specifications
File Format
Digital Format:
PDF (commonly available for reproduction), potentially searchable text for ease of use.
Print Quality
Print Quality:
Originals: High quality, detailed line drawings and photographs. Reproductions: Variable, but good quality PDFs aim to preserve original detail.
Binding Type
Original Binding:
Hardcover or softcover, bound for durability in a workshop environment.
Paper Type
Original Paper Type:
Durable, matte finish paper to minimize glare in workshop lighting.
⚙️ Engine Specifications
Primary Engine
Engine Code:
LE (Federal USA), ES (UK/Europe)
Displacement:
2.0 Liters (1996 cc)
Configuration:
Inline-4, overhead camshaft (OHC)
Bore X Stroke:
90.3 mm x 76.0 mm
Compression Ratio:
8.0:1 or 9.0:1 (depending on market and fuel grade)
Performance
Horsepower Gross:
105 bhp @ 5500 rpm (Federal USA, Stromberg carb)
Horsepower Gross Federal:
105 bhp @ 5500 rpm (US spec, Lucas EFI) or 105 bhp @ 5500 rpm (US spec, Carbureted)
Torque Gross:
170 Nm (125 lb-ft) @ 3500 rpm (approximate)
Fuel System
Fuel Delivery:
Twin Stromberg CD175 carburetors or Lucas electronic fuel injection (Federal models).
Fuel Type:
Unleaded gasoline (87-91 octane recommended)
🔧 Transmission
Standard
Type:
4-speed manual transaxle (integrated gearbox and differential unit)
Optional
Type 1:
5-speed manual (Laycock de Normanville overdrive on 4th gear, optional)
Canley, Coventry, UK; Speke, Liverpool, UK; later built under license in the USA (Malta, Ohio - Triumph-Michelotti TR7/TR8).
Total Production Units:
Approximately 115,000 units (including TR8)
🏆 Awards & Recognition
Recognitions
Historical Acclaim:
While not a recipient of major awards in the traditional sense, the TR7 is recognized for its distinctive styling and its place in the lineage of Triumph sports cars.
Ratings
Consumer Reports Ratings:
Historical consumer reports often highlighted its sporty handling and styling, but also noted typical British Leyland build quality issues and reliability concerns.
Certifications
Emission Standards:
Designed to meet prevailing emission standards for the US and European markets during its production years. Manual will detail specific procedures for emissions control systems.