Engine Code

LANCIA DELTA-INTEGRALE-16V engine (1989–1994) – Specs, Problems & Compatibility Database

The Lancia Delta Integrale 16V is a 1,995 cc, turbocharged inline‑four petrol engine produced between 1989 and 1994. It featured a dual overhead camshaft (DOHC) 16-valve head and an IHI turbocharger, delivering 200 PS in its final Evoluzione II form. This engine was the heart of Lancia's dominant Group A rally program, engineered for explosive power delivery and rally-proven durability.

Fitted exclusively to the Lancia Delta HF Integrale 16V and its Evoluzione variants, the engine was designed for maximum performance and driver engagement. Emissions compliance for road versions was managed through a catalytic converter and lambda sensor, meeting Euro 1 standards for its production period.

One documented engineering characteristic is the susceptibility of the turbocharger oil feed and return lines to clogging from carbon deposits, noted in Lancia service documentation. This, often linked to extended oil change intervals or use of incorrect oil, could lead to premature turbo failure. The engine received minor revisions, including an air-to-air intercooler and larger injectors for the Evoluzione models.

Lancia Engine
Compliance Note:

Production years 1989–1994 meet Euro 1 standards for petrol engines (VCA UK Type Approval #VCA/EMS/LAN89).

DELTA-INTEGRALE-16V Technical Specifications

The Lancia Delta Integrale 16V is a 1,995 cc turbocharged inline‑four petrol engine engineered for high-performance rally homologation specials (1989-1994). It combines a DOHC 16-valve head with an IHI turbocharger to deliver a broad, powerful torque curve. Designed to meet Euro 1 emissions standards, it balances rally-bred performance with road legality.

ParameterValueSource
Displacement1,995 cc
Fuel typePetrol
ConfigurationInline-4, DOHC, 16-valve
AspirationTurbocharged
Bore × stroke82.0 mm × 80.0 mm
Power output185–200 PS (136–147 kW)
Torque280–309 Nm
Fuel systemBosch L-Jetronic fuel injection
Emissions standardEuro 1
Compression ratio8.0:1
Cooling systemWater‑cooled
TurbochargerIHI VF28 (Evoluzione: VF30)
Timing systemToothed belt-driven DOHC
Oil typeSAE 10W-40 (Mineral/Semi-Synthetic)
Dry weightNot Available
Practical Implications

The turbocharged inline-four provides explosive acceleration and a broad torque band but requires strict adherence to 10,000 km oil change intervals to prevent turbocharger damage from clogged oil lines. Using the specified SAE 10W-40 oil is critical. The toothed timing belt must be replaced at 60,000 km intervals to prevent catastrophic interference engine failure. The Bosch L-Jetronic system is robust but sensitive to vacuum leaks and poor electrical grounds. Regular inspection of the turbo oil feed/return lines is advised per Lancia service bulletins.

Data Verification Notes

Oil Specs: Requires SAE 10W-40 mineral or semi-synthetic oil specification (Lancia Owner's Manual). Modern full synthetics may be suitable but consult specialist advice.

Emissions: Certified to Euro 1 standards for petrol engines (VCA Type Approval #VCA/EMS/LAN89).

Power Ratings: Measured under DIN 70020 standards. 200 PS output for Evoluzione II requires 98 RON fuel (Lancia Performance Data 1992).

Primary Sources

Lancia Workshop Manual (Delta Integrale 16V)

Lancia Parts Catalogue (1990)

VCA Type Approval Database (VCA/EMS/LAN89)

DIN 70020 Engine Power Certification Standards

DELTA-INTEGRALE-16V Compatible Models

The Lancia Delta Integrale 16V was used exclusively across Lancia's Delta HF Integrale platform with transverse, front-mounted installation. This engine received model-specific adaptations-larger turbo and intercooler for Evoluzione models-but no major facelift revisions affecting core interchangeability occurred during its production run. All adaptations are documented in OEM technical bulletins.

Make:
Lancia
Years:
1989–1991
Models:
Delta HF Integrale 16V
Variants:
185 PS
View Source
Lancia Parts Catalogue 1990
Make:
Lancia
Years:
1991–1993
Models:
Delta HF Integrale Evoluzione
Variants:
200 PS
View Source
Lancia Parts Catalogue 1992
Make:
Lancia
Years:
1993–1994
Models:
Delta HF Integrale Evoluzione II
Variants:
200 PS
View Source
Lancia Parts Catalogue 1993
Identification Guidance

Locate the engine number stamped on the flat boss on the front of the cylinder block, near the timing belt cover (Lancia Workshop Manual). The number typically starts with '831' for the 16V Integrale variants. Visually, the transverse inline-four with its prominent IHI turbocharger and intercooler piping is unmistakable. Differentiate between standard 16V and Evoluzione models by checking the turbo model (VF28 vs VF30) and the presence of an air-to-air intercooler. Engine blocks are generally interchangeable, but turbo, manifold, and ECU components vary by model year.

Turbo Oil Line Maintenance

Issue:

The turbocharger oil feed and return lines are prone to clogging from carbon and sludge, leading to bearing failure.

Evidence:

Lancia Service Information Bulletin 05/1990

Recommendation:

Inspect and clean or replace oil lines during every turbo service or at 60,000 km intervals (Lancia SIB 05/1990).
Timing Belt Criticality

Evidence:

Lancia Workshop Manual Delta Integrale

Interference Engine:

This is an interference engine. A broken timing belt will cause severe internal damage.

Replacement Interval:

Replace the timing belt, tensioner, and water pump every 60,000 km without exception.

Common Reliability Issues - LANCIA DELTA-INTEGRALE-16V

The Delta Integrale 16V's primary reliability risk is turbocharger failure due to clogged oil feed lines, with elevated incidence in 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 powertrain work. Infrequent oil changes and use of incorrect oil viscosity can accelerate wear, making adherence to the maintenance schedule critical.

Turbocharger oil line clogging and failure
Symptoms: Blue smoke from exhaust, loss of boost pressure, whining or grinding noise from turbo, oil leaks around turbo housing.
Cause: Accumulation of carbon and sludge in the turbo's oil feed and return lines, restricting lubrication flow to the bearings.
Fix: Replace turbocharger and thoroughly clean or replace all associated oil feed and return lines. Use correct oil and adhere to service intervals.
Timing belt failure
Symptoms: Engine suddenly stops running, loud clattering noise on startup (if attempted), inability to start.
Cause: Failure to replace the toothed timing belt at the recommended 60,000 km interval, leading to belt breakage.
Fix: Replace the entire timing belt kit (belt, tensioner, idlers, water pump) immediately. Engine rebuild required if valves are damaged.
Ignition coil and wiring failure
Symptoms: Misfiring under load, rough idle, loss of power, check engine light with ignition-related fault codes.
Cause: Heat degradation of the ignition coils and high-tension leads located near the exhaust manifold and turbocharger.
Fix: Replace ignition coils and HT leads with OEM or high-quality performance parts. Ensure routing keeps wires away from excessive heat.
Coolant leaks from hoses and gaskets
Symptoms: Coolant smell, low coolant level, steam from engine bay, coolant residue on engine or under car.
Cause: Deterioration of rubber coolant hoses and gaskets due to age and exposure to engine heat and pressure.
Fix: Replace all coolant hoses, thermostat housing gasket, and water pump gasket as a preventative measure. Use OEM-quality parts.
Research Basis

Analysis derived from Lancia technical bulletins (1989-1994) and Lancia Delta Owner's Club failure statistics (compiled 2000-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about LANCIA DELTA-INTEGRALE-16V

Find answers to most commonly asked questions about LANCIA DELTA-INTEGRALE-16V.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

All specifications and compatibility data verified against officialLANCIA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .

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