Unleash the full potential of your R53 .
Performance by conquering the heat buildup that limits power. While the Eaton M45 roots-type supercharger creates that classic whine, it also produces intense thermal loads—particularly with high-reduction pulleys. With a 15% pulley, discharge temperatures reach extreme levels as you accelerate. Prevent heat soak from reducing your horsepower; analyzing these WOT discharge statistics on a typical 20°C (68°F) day is crucial for peak performance:
Critical Compressor Discharge (Pre-Intercooler) Data:
Engine RPM | Est. Supercharger RPM | Air Temp (Celsius) | Air Temp (Fahrenheit)
3,000 RPM | ~8,150 RPM | ~65°C – 75°C | ~149°F – 167°F
5,000 RPM | ~13,600 RPM | ~90°C – 105°C | ~194°F – 221°F
7,000 RPM | ~17,600 RPM | ~130°C – 145°C | ~266°F – 293°F
When efficiency drops at high RPM, the supercharger generates excessive heat. Torquepipe fanshrouds are built to neutralize this thermal spike.
Helping you keep consistent boost pressure during daily commutes or intense track sessions. Eliminate power loss and keep your boost cool.
Our custom fan is specially manufactured for this application and is made in the USA
Performance: High RPM heat spikes make a Torquepipe fanshroud essential for both urban and high-speed driving. It maintains intake air temperatures (IATs) below the 50°C–55°C (122°F–131°F) threshold, preventing the ECU from reducing ignition timing to avoid engine knock. Keeping temperatures in this range ensures that your engine maintains its maximum power output and long-term mechanical reliability.
The 5,000 RPM Threshold: The Eaton M45 maintains efficiency up to 5,000 engine RPM. Testing indicates that peak temperatures at the intercooler inlet mid-pull typically reach 93.5°C (200°F) during standard performance driving.
Heading 7.000 RPM - Performance Drops: At 7,000 RPM, a 15% pulley drives the supercharger past 17,600 RPM, exceeding its thermodynamic limit. At this stage, it functions as a heat pump rather than an air mover, with discharge temperatures exceeding 130°C (266°F), risking power loss.
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Wiring with relay
Wiring relay / temp switch
Recommended mod: using Superflow fan kit
4 Models available
