This hybrid turbo, designed for the Volkswagen Transporter T3 1.6 TD with 70 hp, combines an architecture suited to the original dfitment with internally modified components. Depending on the upgrade package chosen, the modifications focus on the MFS compressor wheel Performance, the housings and the turbine wheel.
The three documented levels allow you to select a configuration consistent with your engine project, without specifying a final power output. Adjustments to the engine management system and peripheral systems are still required for to ensure the tuning is utilised correctly.
Available tuning packages — Stage 1, Stage 2 and Stage 3
Stage 1
Compressor wheel: MFS high-flow
Thrust system: 360° bearing thrust
Balancing: high-speed balancing at 150,000 rpm on a Cimat VSR test bench
This modification primarily affects the compressor impeller to dadapt the compression capacity and the dair flow. According to the data provided, the forged aluminium impeller is lighter, larger and taller than the doriginal, with a claimed 15 per cent increase in compression.
Stage 2
Compressor impeller: MFS high-flow oversized
d’ intake housing: re-profiled for accommodate the new impeller oversized
Thrust bearing system: 360° thrust bearing
Balancing: high-speed balancing at 150,000 rpm on a Cimat VSR test bench
The Stage 2 combines a oversized compressor impeller with a reprofiled dintake housing. This assembly is designed to adapt the air passage dto the new geometry, with performance that also depends on the engine’s mapping and equipment.
Stage 2+
Compressor wheel: MFS high-flow oversized
Intake housing d: re-profiled for to accommodate the new impeller oversized
Bearing system: 360° bearing stop
Balancing: high-speed balancing at 150,000 rpm on a Cimat VSR test bench
This configuration applies to both the compressor and turbine sides of th.. Reprofiling both housings allows th dto accommodate the oversized impellers, but the result depends on the overall preparation and the intended operating conditions d.
What is a hybrid turbo?
A hybrid turbo utilises a turbocharger design adapted for to accommodate internal modifications. Depending on the upgrade stage, these may involve the compressor wheel, the turbine wheel, the reprofiling of the housings, the thrust bearing system or the balancing of the rotor.
The aim is dadapt the compression capacity and air flow dto the requirements of the engine upgrade. A hybrid turbo is therefore not defined solely by the appearance of its compressor wheel: its geometry, its housings and the overall balance of the unit are 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 d. A standard MFS wheel may retain a geometry equivalent to that dof the original.
An MFS wheel Performance can be designed with a geometry specific to the tuning objective. For this product, the available data indicates a forged aluminium wheel that is lighter, larger and taller than the original wheel d, as well as oversized versions depending on the tuning stage.
A standard MFS wheel can be just as shiny as an MFS wheel 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 contribute to an increase in power when the engine benefits d’from appropriate tuning, though this alone does not guarantee a specific result.
Why does the geometry of the blades influence the air flow rate d?
The compressor impeller draws in and then compresses the air admitted by the engine. Its diameter, profile, height, width and the arrangement of its blades influence its aerodynamic behaviour and its ability to move air within certain operating ranges.
The result also depends on the compressor housing, the impeller and the turbine housing, the boost pressure and the engine. A larger impeller does not automatically guarantee better performance and may alter the response time as well as the optimal operating dconditions.
Reliability and balancing of the hybrid turbocharger
The 360° bearing stop, featured on all three documented stages, helps to distribute the axial forces exerted on the rotating assembly. However, it does not protect the turbocharger against a lack of lubrication, incorrect installation or inappropriate use.
Each engine is subjected to high-speed balancing at 150,000 rpm on a Cimat VSR test bench d. This process aims to minimise vibrations and mechanical stresses on the rotor during operation.
Engine remapping and tuning
Adjustments to the engine mapping and boost pressure management may be necessary. The fuel injection, exhaust, cooling, intake, clutch or transmission must also be checked depending on the level of tuning. The wastegate must be adjusted when the ECU is remapped.
Turbo part numbers
OEM part numbers
068145701Q
068145702J
068145703H
068145704A
068145702JX
068145702JV
Manufacturer’s part numbers
53149706000
53149886000
53149906000
5314-988-6000
5314-990-6000
5314-970-6000
Compatible vehicles and assignments
Volkswagen
Transporter T3 — 1,.6, TD –70 hp
Turbo diesel engine — from 1984, end date unspecified
Engine code: not specified
Additional technical specifications
Product type: turbo hybrid
Engine: 1,.6 TD
Fuel: diesel
Power: 70 hp
Production period: from 1984
Installation: documented plug-and-play configuration, no modifications to the original fitment required
Installation advice
⚠️ WARNING — IMPORTANT BEFORE INSTALLATION
Identify and rectify the cause of the previous fault before d’installing the turbocharger. Check the lubrication circuit, the oil supply and return d’as well as the cleanliness of the pipes.
Check the intake for 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 lead to the turbocharger failing again.
How do you identify the correct turbo?
Check the part number marked on the original turbo dand compare it with the OEM and manufacturer part numbers in this data sheet. Also check the make, model, generation, engine type, power output (70 hp), installation period and, where available, the engine code.
An identical engine specification does not always guarantee compatibility, as there may be several different set-ups for for the same vehicle.
⚠️ 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 you are unsure about the identification or the correct upgrade, please contact our team with the full part number of your original turbo d.
