🏷️ Basic Information

Make:

Lancia

Model:

Delta HF Integrale Evoluzione (Evo)

Related Models Covered:

Lancia Delta Integrale (8v), Lancia Delta Integrale (16v), Lancia Delta HF4WD, Lancia Prisma 2.0 DOHC 8v

Chassis Codes Evo:

831F (Evoluzione)

Engine Codes 8V Integrale:

831B.042

Engine Codes 16V Integrale:

831D.046, 831E.046

Engine Codes Hf4Wd:

831B.025

Engine Codes Prisma:

831A.000, 831A.002

👋 Introduction

Market Position:

The Lancia Delta HF Integrale Evoluzione is a legendary homologation special, designed for Group A rallying. This manual caters to enthusiasts and owners of these iconic performance cars, often considered among the best rally cars ever made.

Competitive Analysis:

Competed against other homologation specials and performance sedans of its era, including the Ford Sierra Cosworth, BMW M3 (E30), and Audi Quattro, establishing a benchmark in rally-bred road cars.

Key Features:

All-wheel-drive, turbocharged engines, robust chassis, advanced suspension for its time, and iconic styling. This manual ensures owners can maintain and repair these complex performance machines.

📋 Manual Details

Primary Coverage:

Lancia Delta HF Integrale Evoluzione (8v and 16v)

Secondary Coverage:

Lancia Delta Integrale (8v), Lancia Delta Integrale (16v), Lancia Delta HF4WD, Lancia Prisma 2.0 DOHC 8v

Estimated Page Count:

500-1000+ (estimated based on comprehensive coverage for multiple variants)

Manual Type:

Repair Manual / Service Manual

Language:

English

Format:

PDF (Digital Download)

📖 Manual Coverage

Engine Systems:

Engine mechanical (cylinder head, block, pistons, crankshaft), fuel injection system (Bosch Motronic variants), ignition system, cooling system, lubrication system, exhaust system, turbocharger and intercooler system, emissions control.

Transmission Drivetrain:

5-speed manual transmission ( Getrag variants), all-wheel-drive system (Viscous coupling center differential, Torsen rear differential), clutch system, driveshafts, CV joints.

Suspension Steering:

Front MacPherson struts, rear independent suspension (multi-link), shock absorbers, springs, anti-roll bars, power steering system, steering rack.

Braking System:

Front ventilated discs, rear solid discs, ABS (Bosch variants), brake lines, calipers, master cylinder, brake booster.

Electrical System:

12V electrical system, battery, alternator, starter motor, lighting system (headlights, taillights, interior), fuses, relays, wiring diagrams, ECUs (engine control unit, ABS control unit).

Body Chassis:

Body shell construction, door mechanisms, hinges, locks, windows, sunroof, bumpers, aerodynamic components (fenders, spoilers), interior trim, seating, dashboard.

Maintenance Procedures:

Oil changes, filter replacements (oil, air, fuel), spark plug replacement, coolant flushes, brake fluid changes, belt inspections and replacements, fluid level checks.

Repair Procedures:

Engine rebuilds, clutch replacement, transmission overhaul, turbocharger repair/replacement, brake caliper overhaul, suspension component replacement, electrical component diagnosis and repair.

Troubleshooting:

Diagnostic procedures for common faults, error code interpretation, symptom-based troubleshooting guides for engine, transmission, and electrical issues.

Specifications Data:

Torque specifications for all fasteners, engine data, electrical specifications, alignment settings, fluid capacities and types.

Technical Depth:

Comprehensive, covering everything from basic fluid changes to complete engine and transmission overhauls. Includes detailed diagnostics and repair strategies for advanced users.

📊 Manual Specifications

File Format:

PDF

Print Quality:

High-resolution, enabling clear viewing and printing of diagrams and text.

Binding Type:

N/A (Digital Download)

Paper Type:

N/A (Digital Download, printable)

Operating Systems:

All Versions of Windows & Mac

Software Requirements:

Adobe PDF Reader

⚙️ Engine Specifications

Engine Type Evo 16V:

Inline-4, 16-valve, turbocharged, intercooled

Displacement Evo 16V:

1995 cc (2.0 Liters)

Bore X Stroke Evo 16V:

84.0 mm x 90.0 mm

Compression Ratio Evo 16V:

8.0:1

Horsepower Evo 16V:

210-215 PS (154-158 kW) at 5750 rpm

Torque Evo 16V:

290-300 Nm (214-221 lb-ft) at 3500 rpm

Engine Type 8V Integrale:

Inline-4, 8-valve, turbocharged, intercooled

Displacement 8V Integrale:

1995 cc (2.0 Liters)

Horsepower 8V Integrale:

185 PS (136 kW) at 5500 rpm

Torque 8V Integrale:

290 Nm (214 lb-ft) at 3500 rpm

Engine Type Hf4Wd:

Inline-4, 8-valve, turbocharged, intercooled

Displacement Hf4Wd:

1995 cc (2.0 Liters)

Horsepower Hf4Wd:

140 PS (103 kW) at 5000 rpm

Torque Hf4Wd:

240 Nm (177 lb-ft) at 2500 rpm

Engine Type Prisma:

Inline-4, 8-valve, DOHC

Displacement Prisma:

1995 cc (2.0 Liters)

Horsepower Prisma:

112-115 PS (82-85 kW) at 5500-5600 rpm

Torque Prisma:

160-165 Nm (118-122 lb-ft) at 3000-3500 rpm

Fuel System:

Bosch L-Jetronic or Motronic fuel injection (variants depend on model and year)

Fuel Type:

Unleaded gasoline (Octane rating typically 95 RON or higher recommended)

Turbocharger Model:

Garrett AiResearch (e.g., T3/T4 variants for Evoluzione)

Boost Pressure Evo 16V:

Approx. 1.2 bar (17.4 psi) with overboost function

🔧 Transmission

Transmission Type Integrale:

5-speed Manual Transaxle

Transmission Manufacturer Integrale:

Getrag (typically)

Transmission Type Prisma:

5-speed Manual or 4-speed Automatic

AWD System:

Permanent All-Wheel Drive with viscous coupling central differential and Torsen rear differential (Integrale models)

Clutch Type:

Hydraulically operated, single dry plate

📐 Dimensions

Length Evo:

Approx. 4030 mm (158.7 in)

Width Evo:

Approx. 1770 mm (69.7 in)

Height Evo:

Approx. 1370 mm (53.9 in)

Wheelbase Evo:

Approx. 2475 mm (97.4 in)

Curb Weight Evo:

Approx. 1350-1400 kg (2976-3086 lbs)

Gross Weight Evo:

Approx. 1800 kg (3968 lbs)

Wheel Size Evo:

16-inch alloy wheels

Tire Size Evo:

205/50 VR 16 or 225/45 VR 16 (depending on variant)

Bolt Pattern:

5x98 mm

🛡️ Safety Features

Safety Ratings Era:

Era-specific safety standards. NCAP ratings were not prevalent for vehicles of this vintage.

Active Safety Features:

All-wheel-drive system for enhanced traction, powerful anti-lock braking system (ABS) with larger ventilated front discs.

Passive Safety Features:

Reinforced chassis, safety cage construction, front seat belts, deformable steering column, driver and passenger airbags (later Evoluzione models).

💡 Technology Features

Infotainment Features:

Basic analog gauges, original Clarion or Blaupunkt radio/cassette player (optional CD player in later models). Focus is on performance, not advanced tech.

Driver Assistance Features:

ABS, power steering, limited-slip differentials. No electronic stability control or advanced driver-assistance systems (ADAS) as found in modern vehicles.

Connectivity Features:

None in the modern sense. Relied on analog communication systems in period motorsport.

🔧 Maintenance

Oil Change Interval:

Every 7,500 - 10,000 km (4,500 - 6,000 miles) or annually, whichever comes first. Use high-quality synthetic oil.

Timing Belt Interval:

Every 60,000 km (36,000 miles) or 5 years. Critical due to interference engine design.

Air Filter Interval:

Inspect every 10,000 km (6,000 miles), replace as needed or every 20,000 km (12,000 miles).

Spark Plug Interval:

Every 30,000 - 40,000 km (18,000 - 24,000 miles). Specific type required for turbocharged engines.

Engine Oil Spec:

SAE 10W-40 or 15W-50 Synthetic (API SG/SH or ACEA A2/A3). Check manual for exact specifications.

Coolant Spec:

Ethylene glycol based coolant, typically 50/50 mix with distilled water.

Brake Fluid Spec:

DOT 4 or DOT 5.1

Transmission Fluid Spec Manual:

SAE 75W-90 Synthetic Gear Oil (API GL-4 or GL-5). Manual specifies specific type.

Differentials Fluid Spec:

SAE 75W-90 Synthetic Gear Oil (API GL-5).

Known Issues:

Rust (especially wheel arches, sills, and strut towers), turbocharger failure due to heat and oil degradation, gearbox synchro wear, radiator leaks, aging rubber components (hoses, bushings), electrical gremlins.

Engine Specific Issues:

Oil consumption, turbo seal leaks, piston ring wear in high-mileage examples, potential head gasket issues if overheated.

📚 Vehicle History

Brand Heritage:

Lancia has a rich motorsport heritage, particularly in rallying, with multiple World Rally Championship (WRC) titles won by various Delta models.

Model Evolution:

The Delta HF Integrale Evoluzione, commonly known as Evo, was the final and most potent iteration of the Delta Integrale line, building upon the success of the original Delta, HF 4WD, and Integrale 8v/16v models. Evo I and Evo II were produced.

Production Years Evo:

1991-1994 (Evo I: 1991-1992, Evo II: 1993-1994)

Production Location:

Turin, Italy

Motorsport Connection:

Developed to homologate the Delta for Group A World Rally Championship regulations, dominating rally stages worldwide in the late 1980s and early 1990s.

🏆 Awards & Recognition

Motorsport Titles:

Lancia Delta Integrale lineage (including precursor models) won 6 consecutive WRC Manufacturers' Championships (1987-1992), a record unmatched by any other manufacturer.

Automotive Journalism Awards:

Consistently praised by automotive journalists as one of the greatest homologation specials and rally cars for the road.