The Lancia Fulvia 1.6L is a 1,584 cc, narrow-angle 45° V4 petrol engine produced between 1967 and 1976. It featured a dual overhead camshaft (DOHC) design for each cylinder bank and was available in various states of tune. This unique V4 layout, with its compact dimensions, contributed to the car's balanced handling and distinctive character.
Fitted exclusively to the Lancia Fulvia coupe and sedan variants (including the HF models), the 1.6L V4 was engineered for spirited performance and rally success, offering a broad power band. Emissions compliance for its era was managed through carburetion and ignition timing, predating modern Euro standards.
One documented engineering characteristic is the susceptibility of the timing chain tensioner to wear over extended periods. This, noted in Lancia service documentation, could lead to timing inaccuracies if not inspected during major services. The engine design remained largely consistent, with power increases achieved through carburetor and camshaft refinements.
This engine predates standardized Euro emissions regulations. Production years 1967–1976 fall under pre-regulatory national standards (VCA UK Type Approval historical records).
The Lancia Fulvia 1.6L V4 is a 1,584 cc narrow-angle V4 petrol engine engineered for compact sports sedans and coupes (1967-1976). It combines dual overhead camshafts per bank with twin carburetors to deliver a broad, responsive power band. Designed for performance in its era, it predates formal EU emissions standards.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,584 cc | |
| Fuel type | Petrol | |
| Configuration | 45° V4, DOHC per bank, 8-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 82.0 mm × 75.0 mm | |
| Power output | 80–130 PS (59–96 kW) | |
| Torque | 123–140 Nm | |
| Fuel system | Twin Weber DCOE carburetors | |
| Emissions standard | Pre-Euro (National Standards) | |
| Compression ratio | 9.0:1 – 10.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Chain-driven DOHC | |
| Oil type | SAE 20W-50 (Mineral) | |
| Dry weight | Not Available |
The DOHC V4 layout provides a unique, high-revving character but demands meticulous maintenance of the timing chain and tensioner system to prevent valve damage. Using the specified SAE 20W-50 mineral oil is critical for protecting older engine tolerances and the hydraulic tappets. Regular adjustment of the twin carburetors and ignition timing is essential for optimal performance and fuel efficiency. The engine's balance and compact size are key to the Fulvia's renowned handling.
Oil Specs: Requires SAE 20W-50 mineral oil specification (Lancia Owner's Manual). Modern synthetic oils may not be suitable without expert consultation.
Emissions: Predates Euro standards; certified under 1960s/70s Italian and UK national regulations (VCA Historical Records).
Power Ratings: Measured under DIN 70020 standards. Higher 130 PS output for HF models requires high-octane fuel (Lancia Performance Data 1972).
Lancia Workshop Manual (Fulvia Series 2)
Lancia Parts Catalogue (1970)
DIN 70020 Engine Power Certification Standards
The Lancia Fulvia 1.6L V4 was used exclusively across Lancia's Fulvia platform with longitudinal, front-mounted installation. This engine received model-specific adaptations-higher compression and different carburetors for the HF models-but no major facelift revisions affecting core interchangeability occurred during its production run. All adaptations are documented in OEM technical bulletins.
Locate the engine number stamped on the flat boss on the right-hand side of the engine block, just below the cylinder head (Lancia Workshop Manual). The number typically starts with '818' for the 1.6L variants. Visually, the narrow 45° V4 with twin cam covers and twin Weber carburetors is unmistakable. Differentiate between standard and HF models by checking the carburetor type (DCOE 40 vs DCOE 45) and distributor model. Engine blocks are generally interchangeable, but ancillary components like manifolds and distributors vary by model and year.
The 1.6L V4's primary reliability consideration is timing chain tensioner wear, with elevated incidence in high-mileage or poorly maintained examples. Lancia service advisories from the era highlight this as a critical service item, while owner club data suggests it's the most common cause of major engine work. Infrequent oil changes and use of incorrect oil viscosity can accelerate wear, making adherence to the maintenance schedule critical.
Analysis derived from Lancia technical bulletins (1967-1976) and Lancia Fulvia Owner's Club failure statistics (compiled 2000-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about LANCIA FULVIA-1-6L-V4.
Comprehensive technical documentation and regulatory references
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LANCIA Official Site
Owner literature, service manuals, technical releases, and plant documentation.
EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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