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This twin-turbo hybrid is designed for the Range Rover Sport fitted with the 3.6 TDV8 engine producing 272 hp. The tuning package comprises high-flow MFS compressor wheels, a 360° bearing stop and high-speed balancing on a Cimat VSR bench.
Three levels of tuning are documented at. The modifications vary depending on the package chosen and may involve the compressor wheel, the housings and the turbine wheel.
This modification primarily affects the compressor section in order d to adjust the compression capacity and d the air flow rate. It retains a mechanical configuration closer to the basic design than the subsequent stages.
The Stage 2 combines a oversized compressor impeller with a reprofiled d intake housing. This modification is designed to ensure the mechanical compatibility of the impeller and to improve the compressor’s performance.
Stage 3 includes modifications to the compressor and turbine sides. The sizing and reprofiling of the housings must remain consistent with the engine configuration and the turbocharging management system.
A hybrid turbo is based on a turbocharger architecture adapted for accommodate internal components that differ from the original configuration d. Depending on the stage, modifications may involve the compressor wheel, the intake housing d, the turbine wheel, the turbine housing, the thrust bearing system and balancing.
The aim is d'to adapt the compression capacity and the air flow rate d'. A hybrid turbo is not defined solely by the appearance of its impeller: the geometry of the components, their combination and the quality of the machining are decisive factors.
MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This manufacturing process alone does not guarantee an increase in airflow d. A standard MFS wheel may retain a geometry equivalent to that d of the original.
An MFS wheel Performance can be designed with a geometry suited to the engine build. On this product, the wheel shown is made of forged aluminium; it is lighter, larger and taller than the original wheel d. The specification sheet indicates an additional compression capacity of 15 per cent, the utilisation of which depends on the engine’s configuration and tuning.
A standard MFS impeller can be just as shiny 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.
The compressor impeller draws in and then compresses the air sent to the engine. Its diameter, profile, height, width and the arrangement of its blades influence its aerodynamic behaviour and the volume d of air it can move under certain conditions.
The result also depends on the casings, the turbine wheel, the boost pressure and the engine tuning. A larger wheel does not automatically guarantee better performance and may alter the response time as well as the range d'of optimal operation.
The documented 360° bearing thrust ring helps to distribute the axial forces exerted on the rotating assembly. It must operate with correct lubrication and does not protect the turbocharger against incorrect installation or insufficient oil supply.
Each stage includes high-speed balancing at 150,000 rpm on a Cimat VSR test bench. This operation aims to minimise vibrations and mechanical stresses on the rotor.
Appropriate engine management is required for to make the most of the hybrid turbo’s characteristics. The mapping, injection, exhaust, cooling and boost pressure management must be checked or adjusted according to the level of tuning. The wastegate must be adjusted when reprogramming the ECU. The transmission and other vehicle components must also be checked in line with the chosen configuration.
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Identify and rectify the cause of the previous fault before d'installing the turbos.
Check the lubrication system, the oil supply and return lines d, and ensure all lines are clean.
Check the intake and ensure there are no foreign objects. Prime the system in accordance with the applicable recommendations and follow the manufacturer’s instructions.
A lubrication fault that is not rectified may result in the turbocharger failing again.
Check the part number engraved or marked on each original turbo d, then compare it with the OEM and manufacturer part numbers in this fact sheet.. Also check the make, model, generation, engine type, power output,Year, and the engine code where available. An identical engine specification does not always guarantee compatibility.
⚠️ 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 specification sheet. An identical engine specification does not always guarantee compatibility.
If you are unsure whether it is the left-hand or right-hand side, please contact us with the part numbers taken from the original turbos 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