This hybrid turbo for, designed for 3.0 TD 130 hp, features dan internal modification designed to adapt the dair flow and the. compression capacity. Its design allows for Installation without modification external installation, whilst the mechanical modifications vary depending on the stage selected.
The available upgrades combine a high-flow MFS compressor impeller, a 360° thrust bearing and high-speed balancing. Higher-level upgrades also include resizing of the impellers and tailored re-profiling of the housings.
Available set-ups — Stage 1, Stage 2 and Stage 3
Stage 1
Compressor wheel: MFS high-flow
Thrust bearing system: 360° thrust bearing
Balancing: High-speed balancing at 150,000 rpm on a Cimat VSR bench
This modification primarily affects the compressor impeller in order dto adapt the air flow rate dwhilst maintaining a configuration suitable for installation without any external modifications.
Stage 2
Compressor impeller: MFS high-flow oversized
d’ intake housing: Reprofiled for accommodate the new impeller
Thrust bearing system: 360° thrust bearing
Balancing: High-speed balancing at 150,000 rpm on a Cimat VSR test bench
The Stage 2 is fitted with a oversized compressor impeller and a reprofiled dintake casing. This combination is designed to adapt the air flow and compression to the dimensions of the new impeller.
Stage 3
Compressor impeller: MFS high-flow oversized
d’ intake housing: Reprofiled for to accommodate the new impeller
Thrust bearing system: 360° thrust bearing
Turbine impeller: High-flow oversized
Turbine casing: Reprofiled for ly to accommodate the new impeller
Balancing: High-speed balancing at 150,000 rpm on a Cimat VSR test bench
This configuration combines modifications to both the compressor and turbine sides. The final performance depends on the engine as a whole, the turbocharging management system and the selected settings.
What is a hybrid turbo?
A hybrid turbo is based on an architecture adapted for accommodate internal components that differ from the d’original configuration. Depending on the stage, the modification may involve the compressor wheel, the turbine wheel, the housings, the thrust bearing and the balancing.
The aim is dto adjust the compression capacity and the air flow rate d. A hybrid turbo is not defined solely by the appearance of its wheel: the dimensions, geometry, machining of the housings and the balance of the assembly are also crucial.
MFS compressor wheel: standard or ‘ Performance ’?
MFS stands for ‘Milled From Solid’, meaning a wheel machined from a solid block. This manufacturing process alone does not guarantee an increase in air flow rate d. A standard MFS wheel can retain a geometry close to the original.
An MFS wheel Performance can be given a geometry tailored to the tuning objective. On this product, the wheel is described as lighter, larger and taller than the doriginal, with a claimed 15 per cent higher compression capacity.
A standard MFS impeller can be just as effective 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 airflow can only be utilised properly with appropriate engine tuning.
Why does the geometry of the blades influence the air flow rate d?
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. A suitable geometry can move more dair under certain conditions, but the result also depends on the housings, the turbine, the boost pressure and the mapping. A larger impeller therefore does not automatically guarantee better performance and may alter the response time.
Reliability and balancing of the hybrid turbocharger
The 360° thrust bearing helps to distribute the axial forces to which the rotating assembly is subjected. The rotor is balanced at high speed, up to 150,000 rpm on a Cimat VSR test bench, in order to minimise vibrations and mechanical stresses. However, this balancing does not compensate for incorrect installation or inadequate lubrication.
Engine remapping and preparation
The mapping and wastegate settings must be adjusted for to make the most of the turbo’s characteristics. Depending on the level of tuning, the fuel injection, exhaust system, cooling, boost pressure and transmission must also be checked or adjusted. Fitting da hybrid turbo does not automatically guarantee a power gain.
Turbo part numbers
OEM part number
8973544234
Manufacturer’s part numbers
RHF5-VIEK
RHF5VIEK
Compatible vehicles and applications
No detailed vehicle compatibility information is documented. Compatibility must be confirmed based on the original turbocharger part numbers dand the vehicle’s specifications.
Additional technical specifications
Product type: Hybrid Turbo
Engine: 3.0 TD
Power: 130 hp
Installation: No external modifications required
Installation advice
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Identify and rectify the cause of the previous fault. Check the lubrication circuit, the oil supply and return d, as well as the cleanliness of the oil lines. Check the inlet for any foreign objects, then prime the system in accordance with the applicable recommendations. Follow the manufacturer’s instructions. A lubrication fault that is not rectified may lead to further turbocharger failure.
How do you identify the correct turbo?
Check the turbo part number d, the original OEM and manufacturer part numbers, as well as the make, model, generation, body style, engine type, power output,Year and engine code. An identical engine type 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 data sheet. An identical engine specification does not always guarantee compatibility. If in doubt, contact us at for to check your application.
