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Triumph

TRIUMPH TR8 Owner User Manual

TRIUMPH TR8 Owner User Manual

$16.99
$16.99
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Vehicle data plateRef 355989
Brand
Triumph
Vehicle
Cars
Models covered
TR Models, TR8
Format
PDF, searchable, print-ready
Delivery
Instant download after checkout
Language
English

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  • The same link is emailed to you — re-download any time
  • Open on phone, tablet or PC; print only the pages you need
  • Not sure it covers your model year? Ask us before you buy
🏷️ Basic Information
Identification
Make:
Triumph
Model:
TR8
Year:
1979-1981
Product Name:
TRIUMPH TR8 Owner User Manual
👋 Introduction
Market Position
Positioning:
The Triumph TR8 represented a potent, performance-oriented evolution of the popular TR7 chassis, targeting enthusiasts seeking powerful British motoring with American V8 muscle.
Competitive Analysis
Competitors:
Competed against other V8-powered sports cars and coupes of the late 1970s and early 1980s, offering a blend of convertible style and brute force.
Key Features
Distinctive Attributes:
Iconic British styling, robust Rover V8 engine, rear-wheel drive, convertible body style, performance-oriented handling.
📋 Manual Details
Coverage Areas
Primary Coverage:
Owner operation, maintenance, and basic troubleshooting for the Triumph TR8.
Secondary Coverage:
Vehicle features, controls, safety equipment, and routine servicing.
Page Count
Estimated Pages:
Approx. 150-200 pages (typical for an owner's manual of this era, exact count may vary by printing).
Manual Type
Type:
Owner's Manual / User Manual
Language
Language:
English
Format
Format:
Print (Original) / PDF (Digital Reproduction)
📖 Manual Coverage
Systems Covered
Engine:
V8 engine operation, initial setup, lubrication system basics, cooling system overview.
Transmission:
Manual transmission operation, clutch engagement, gear selection guidance.
Brakes:
Brake system overview, parking brake operation, brake fluid level checks (basic).
Electrical:
Dashboard controls, lighting system, horn, wipers, basic fuse identification.
Chassis:
Suspension and steering system overview, tire pressure recommendations.
Interior:
Seating adjustments, convertible top operation (if applicable), interior fittings.
Procedures Included
Routine Maintenance:
Checking engine oil, coolant level, brake fluid, washer fluid, tire pressures.
Troubleshooting:
Basic diagnostic tips for common operational issues, warning light explanations.
Safety Features:
Seatbelt operation, rollover protection (if equipped), safe driving practices.
Emergency Procedures:
Jacking points, tire changing instructions (basic).
Technical Depth
Depth:
Owner-focused. Covers everyday use, basic checks, and understanding vehicle functions. Does not include in-depth repair procedures or diagnostic fault codes.
📊 Manual Specifications
File Format
Digital Quality:
High-resolution scans ensuring readability of text and diagrams. Searchable text where OCR is applicable.
Print Quality
Paper Type:
Likely printed on durable, off-white paper stock typical of the era.
Binding Type
Binding:
Original: Perfect bound or stapled. Digital: PDF.
⚙️ Engine Specifications
Primary Engine
Engine Type:
Rover 3.5 Litre V8 (215 cu in)
Displacement:
3528 cc (3.5 Liters)
Bore X Stroke:
84 mm x 78 mm (approx.)
Compression Ratio:
8.0:1 or 9.25:1 (depending on market and specific engine variant)
Performance
Horsepower SAE Net:
135-148 hp @ 4200-4500 rpm (market dependent)
Torque SAE Net:
185-200 lb-ft @ 2700-3000 rpm (market dependent)
Fuel System
Fuel Delivery:
Rochester Quadrajet 4-barrel Carburetor (US Market), Zenith Stromberg (UK/Other Markets).
Fuel Type:
Unleaded gasoline (Octane rating as recommended in manual).
Lubrication
Oil Capacity:
Approximately 5 US quarts (4.7 Liters) with filter (verify in manual).
Cooling System
Coolant Type:
Ethylene glycol-based antifreeze/water mixture (e.g., 50/50).
🔧 Transmission
Standard
Transmission Type:
4-speed Manual (e.g., Triumph Type 12).
Optional
Transmission Type:
3-speed Automatic (BorgWarner Model 65/66).
Features
Clutch Type:
Hydraulic, single dry plate.
Fluid Specification
Manual Transmission Fluid:
GL-4 Hypoid Gear Oil (e.g., SAE 80W-90, verify specific spec).
Automatic Transmission Fluid:
Dexron II or equivalent (verify specific spec).
📐 Dimensions
Exterior
Length:
157.2 in (3993 mm)
Width:
66.1 in (1679 mm)
Height:
49.8 in (1265 mm)
Wheelbase:
85 in (2159 mm)
Front Track:
54.7 in (1390 mm)
Rear Track:
53.7 in (1364 mm)
Weights
Curb Weight:
Approx. 2650-2850 lbs (1202-1293 kg) - Varies by transmission and equipment.
Gross Vehicle Weight Rating:
To be specified in manual.
Cargo
Trunk Volume:
Limited, typical for a sports car of the era.
🛡️ Safety Features
Ratings
Crash Test Ratings:
Not tested under modern standardized crash rating systems (NHTSA/Euro NCAP). Era-appropriate safety provisions.
Active Features
Braking System:
Front: Ventilated Disc Brakes. Rear: Drum Brakes. Power assisted on most models.
Steering:
Rack and pinion, power assisted on many later models.
Passive Features
Seatbelts:
Three-point retractable front seatbelts.
Rollover Protection:
Integral roll bar behind seats for convertible model.
Windshield:
Laminated safety glass.
💡 Technology Features
Infotainment
Audio System:
Factory fitted AM/FM radio, often with cassette player (optional or market dependent).
Dashboard Features:
Analog gauges for speed, RPM, fuel, oil pressure, water temperature, ammeter.
Driver Assistance
Driver Aids:
Basic for the era: power steering (often), power brakes.
Connectivity
Connectivity Features:
None in the modern sense. Basic accessory power outlet (cigarette lighter).
🔧 Maintenance
Service Intervals
Oil Change Interval:
Typically 3,000-6,000 miles or 6-12 months (verify in manual).
Tune Up Interval:
Recommended at 12,000-24,000 miles or annually for spark plugs, distributor points (if equipped), and filter replacements.
Transmission Fluid Change:
Every 24,000-48,000 miles (verify in manual).
Brake Fluid Change:
Every 2-3 years, as it absorbs moisture.
Fluid Specifications
Engine Oil Type:
API SF or SG rated oil, SAE 20W-50 or 10W-40 recommended (check manual for climate-specific grades).
Coolant Capacity:
Approximately 10-12 US quarts (9.5-11.4 Liters) with heater (verify).
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid.
Known Issues
Common Problems:
Carburetor tuning (especially Rochester Quadrajet), electrical system gremlins, potential for rust due to British car heritage, Lucas electrics reputation.
Engine Wear:
Rover V8 generally robust, but oil seals and gaskets can age. Valve stem seals can wear.
Cooling System:
Original radiators and hoses may require replacement due to age.
📚 Vehicle History
Brand Heritage
Triumph Legacy:
Triumph Motor Company, a storied British marque known for its sporty and stylish roadsters like the TR series.
Model Evolution
Tr Series:
The TR8 is the final and most powerful iteration of the TR7's lineage, a significant upgrade from its 4-cylinder predecessor.
Production
Production Period:
1979-1981
Manufacturing Location:
Speke, Liverpool, England (Standard-Triumph plant).
Production Volume:
Estimated 2,700-2,800 units produced worldwide, making it rare.
Market Focus:
Primarily for the North American market, with limited production for other regions.
🏆 Awards & Recognition
Recognitions
Automotive Press:
Received positive reviews for its performance and V8 engine, though production numbers limited its widespread recognition.
Certifications
Emissions Standards:
Designed to meet emissions standards of the target markets (USA, Europe) during its production years.

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Check the model year and engine before you buy

Manufacturers change procedures, wiring and part numbers between model years and engine options. If your VIN plate shows a year or engine code that is not listed on the data plate above, contact us with the model, year and VIN and we will confirm coverage before you order.

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