The Turbo Engineers – TTE420 Hybrid KO4 Turbo Charger (EA113 Engines)

Description

The Turbo Engineers – TTE420 Hybrid KO4 Turbo Charger (EA113 Engines)

The formula to making a TTE420 starts with a much larger 2871X TTE billet compressor wheel, chosen because is highly efficient, new generation type with ultra-thin blades, creating an extremely high flow for comparative size, giving a compressor map that’s very wide. The Re-Profiled compressor cover is machined to an optimized tolerance to ensure maximum compressor efficiency is given. Also, the intake pipe is ported to give a smooth transition for the incoming airflow. We also fit our TTE CNC K04 silencer delete, we modify the turbo discharge silencer, removing the baffle internals and fitting a new straight-through section, removing any restriction and its function as a noise-cancelling device, and so improving the flow, giving less surge and enhancing the sound.

A key part to driving the large 2871X compressor and in turn making this unit produce the huge power advantage over stock and also the competition is machining and fitting a far larger BorgWarner K16 curved clipped turbine and shaft, while still keeping the k04 core, this is not so easy to do. This K16 turbine gives much lower back pressure and keeps EGT lower compared to stock K04 turbine or clipped stock.

The clipping of the K16 turbine is a special TTE grinding process to the turbine blade tips, curved to alleviate stress from the process. Clipping reduces blade area thus increasing gas flow and so reducing back pressure and lowering exhaust gas temperatures, allowing safer higher boost level’s. This process also gives a secondary advantage of removing some material, lightening the turbine thus reducing rotational mass improving the moment of inertia. Dyno’s have shown little loss in response vs stock K04 yet huge gains in power and torque.

Attention can be given to port the exhaust runners at the flange to match and smooth the transition from head to exhaust runner for maximum gas speed and so improving efficiency to the much bigger K16 turbine and so driving the compressor harder. This Process is available at extra cost.

Special TTE developed in house 360 deg high-performance motorsport journal bearing system is fitted. Durable at high loads with no loss in transient response.

The actuator used is uprated sprung OE unit, fitted with our reinforced clamps for trouble-free operation. This also can also be modified to customer needs and specifications.

The Turbo Engineers Equilibrium TTE420

Precisely balancing our turbochargers is a key critical factor for longevity and performance. Good balance improves acoustics also. Subsequent great care is taken with all TTE turbochargers with this regard. Firstly parts are balanced at slow speeds up to 2800RPM in multiple planes using our single parts machine, then components are assembled and then the CHRA has been dynamically balanced yet again but this time at up to 250,000 RPM in multiple planes using our in house VSR machine to acquire the ultimate equilibrium, to a standard far higher than OEM. Supplied with a balance test result document.

TTE420 Key Points:

• Genuine BorgWarner Housings, Exhaust manifold & Components
• TTE 2871X Billet Highly Efficient Next Gen Compressor Geometry
• Optimized Compressor Cover Machining Clearances
• CNC Port Matched Hand Finished Exhaust Runners (Process is available at extra cost)
• CNC Optimised modified silencer discharge delete
• CNC Ported hand-finished Intake Pipe
• Genuine BorgWarner Special Curved Clipped K16 Turbine
• Genuine BorgWarner Uprated & Reinforced Actuator
• Special TTE K16/K04 Reinforced Bearing System
• Fitment As Original. Plug & Play
• Dynamically Balanced
• 420+ PS Capable
• Designed, Machined & Built by TTE in Germany

Please note: These are special order with a dispatch time of 4-6 weeks from date of order. 

Additional information

Vehicle Fitment