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This hybrid turbocharger for, designed for a 2.5- TD engine, is available in three performance levels. It features a high-flow MFS compressor wheel, a 360° bearing stop and high-speed balancing carried out on a Cimat VSR test bench.
It is designed for for installation plug & play without any modification to the mounting interfaces. However, to make full use of its performance characteristics, d appropriate engine tuning is required.
This modification primarily affects the compressor impeller in order d'to adapt the flow rate d'to the air. No modifications to the casing or turbine impeller are documented for this modification.
The reprofiling of the housing allows d to accommodate the compressor impeller oversized. This configuration may alter the flow capacity and behaviour of the compressor depending on the engine settings.
This preparation combines modifications to both the compressor and turbine sides. The turbine impeller oversized and its re-profiled housing influence the overall operation of the turbocharger; however, the final power output cannot be determined without knowing the engine’s full configuration.
A hybrid turbo retains an architecture suited to the interfaces of the specific turbocharger whilst incorporating internal modifications. Depending on the upgrade package, these may involve the compressor wheel, the housings, the turbine wheel, the thrust bearing or balancing.
The aim is d to adapt the compression and air flow d to a specific tuning programme. A hybrid turbo is therefore not defined solely by the appearance of its compressor wheel, but by the consistency of its geometry, components and machining.
MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This technology describes the manufacturing process and does not, on its own, guarantee an increase in air flow d. A standard MFS wheel may retain a geometry equivalent to that d of the original.
The MFS Performance wheel used in this build is described as a forged aluminium wheel, which is lighter, larger and taller than the d'original. The technical specification indicates a 15 per cent increase in compression capacity, though this does not constitute a guarantee of increased engine power.
A standard MFS impeller can be just as efficient as an MFS impeller Performance. It is not its appearance that determines its performance, but its geometry and its ability to move more d air. A higher flow rate can only be utilised with a coherent engine tuning programme.
The compressor impeller draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and blade arrangement influence its aerodynamic behaviour and its ability to move air within certain operating ranges.
The result also depends on the housings, the turbine wheel, the boost pressure and the engine management system. A larger wheel does not automatically guarantee better performance and may alter the response time as well as the optimal operating range d.
The 360° bearing stop helps to distribute the axial forces applied to the rotor more evenly. It does not eliminate the need d for proper lubrication or compliance with installation conditions.
Each documented batch undergo d high-speed balancing at 150,000 rpm on a Cimat VSR test bench. This process aims to minimise vibrations and mechanical stresses on the rotor, but does not protect against incorrect installation, inadequate lubrication or the presence d of a foreign object.
The engine mapping must be adapted for to make full use of the characteristics of this hybrid turbocharger. The injection, exhaust, cooling, boost pressure and the transmission must be checked or adjusted according to the configuration. The wastegate must be adjusted when the ECU is remapped. No power gain can be guaranteed without a complete and properly tuned set-up.
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Identify and rectify the cause of the previous fault before d installing the turbo.
Check the lubrication circuit, the oil supply and return lines, and ensure all pipes are clean d.
Check the intake and ensure that no foreign objects can reach the compressor wheel.
Carry out the priming procedure in accordance with the applicable recommendations and follow the vehicle manufacturer’s instructions.
A lubrication fault that is not rectified may result in the turbocharger failing again.
Check the part number marked on the original turbo d, the OEM and manufacturer part numbers, as well as the make, model, generation, body style, engine type, power output, production period and engine code. The same engine type may be fitted with several different turbochargers.
⚠️ Check your turbo’s part numbers
Before ordering, compare the part number marked on your original turbo d with the part numbers listed in this data sheet. An identical engine does not always guarantee compatibility.
If in doubt, please contact us with the part number clearly visible on your original turbocharger d.
ALFI TURBO specialises in the sale of turbochargers for for cars, commercial vehicles, heavy goods vehicles, construction machinery, agricultural machinery and boats: new turbochargers, remanufactured units, hybrid turbochargers, Cartridge and turbocharger spare parts. Over 20,000 items are available.
The turbocharger plays a vital role in the operation and performance d of a turbocharged engine. When a turbocharger needs replacing, it is important d to identify the exact part number before ordering.
ALFI TURBO supplies turbochargers for for a wide range of makes and engine types: cars, commercial vehicles, heavy goods vehicles, construction machinery, tractors and agricultural machinery, as well as various marine applications.
You can search for your turbo based on the vehicle or application, engine type, engine code, or directly using d an OEM or manufacturer part number found on your old turbocharger.
Browse our range of new turbochargers for for diesel and petrol engines. ALFI TURBO has over 5,500 new turbochargers in stock for covering a wide range of makes, engine types and turbocharger part numbers.
View new turbochargers →A standard exchange turbo allows you to replace a turbocharger whilst returning the old part where a deposit is required. Our catalogue includes numerous part numbers for from various makes and engine types.
View standard exchange turbochargers →Hybrid turbos are designed for set-ups requiring greater air flow d and higher performance potential than a standard set-up. Specifications depend on the turbo, its tuning and the engine configuration.
View hybrid turbos →The turbo Cartridge, also known as the central turbo cartridge, comprises the main rotating components of the turbocharger. ALFI TURBO has over 6,000 Cartridge for turbo part numbers.
View turbo Cartridge →Our catalogue covers a wide range of d applications fitted with d a turbocharged engine.
A single engine type may have been fitted with several different turbochargers depending on theYear, power output, engine version or technical evolution.. The application alone is therefore not always sufficient for to accurately identify the correct turbo.
Before ordering, note down the part numbers shown on the identification plate d of your old turbocharger. This may be d an OEM part number or d a part number from the turbo manufacturer.
Compare these part numbers with those listed on our product pages.. If in doubt, our team can help you verify the part number you are looking for before you place your order.
A loss of power, an unusual whistling noise, oil consumption d, abnormal smoke or poor engine performance may be linked to a turbocharger fault.
However, a fault that appears to be turbo-related may also stem d from a lubrication issue, d from contaminated oil, d from a foreign object, from the intake or exhaust systems, or d from another engine peripheral component.
It is therefore important to investigate the cause of the fault before fitting a new turbo or a new Cartridge.
Since 2012, ALFI TURBO has been assisting private individuals and professionals in identifying and replacing turbochargers.
A turbocharger failure may be the result d of another engine problem. Before fitting d a new turbo or Cartridge, identify and rectify the cause of the original fault to d avoid d damaging the new part.
Do you have a turbocharger part number but can’t find the matching part? Are you unsure which part number to choose? Send us the details from your old turbo so that our team can help you identify the part you’re looking for.
CONTACT ALFI TURBO