Description
Trusted by motorsport enthusiasts and performance drivers worldwide, SNOW Performance delivers proven water/methanol injection systems built for increased performance, reliability, and durability. Whether you’re chasing better performance on the track or smoother, more efficient driving on the street, SNOW Performance gives you race proven technology you can rely on under all conditions.
Snow Performance Boost Cooler Water/Methanol Injection Systems enable a power increase of up to 10–25% in turbo diesel engines, without thermally overloading the engine. By cooling the charge air by up to 60°C and effectively lowering the exhaust gas temperature, thermal stress is reduced and torque increased, ideal even for already tuned engines. As soon as the preset boost pressure is reached, the high pressure pump injects finely atomised water or a water/alcohol mixture (methanol or ethanol) into the hot intake air. This evaporative cooling leads to improved combustion efficiency and significantly reduces the formation of nitrogen oxides (NOx). The evaporating water in the combustion chamber also creates additional pressure on the piston, increasing torque and optimising power output. Integrating water/methanol injection into turbo diesel engines enables significant reductions in nitrogen oxides (NOx) and soot emissions. Studies show NOx can be reduced by up to 30% and soot by up to 70%, fuel efficiency also improves with savings of up to 5–15%.
The award winning Boost Cooler Stage 3 TD controller from SNOW Performance progressively controls the water/alcohol injection amount based on boost pressure and exhaust gas temperature. The desired start and full injection points are easily entered via the included LCD display. The controller then creates a 2D injection map for optimal injection across all load ranges. By using both boost pressure and exhaust gas temperature, the Stage 3 controller enables highly precise water/methanol injection control, especially for towing applications (caravans, motorhomes, trucks, etc). In addition to the primary nozzle, a second nozzle can be independently activated by the controller. This ensures optimal use of cooling and performance in all turbo diesel load conditions. The progressive injection of water or water/methanol based on the 2D mapping is very precise and positively impacts cooling and engine performance across the widest possible engine load range.
To ensure a straightforward installation, all necessary fittings are included in the system’s package. The comprehensive installation manual in English, with many illustrations and a clear structure, guides you step by step through the process.
This Stage 3 Diesel Water/Methanol Boost Cooler Kit includes:
- 1 x High-pressure EPDM diaphragm pump system 20bar/300psi
- 1 x Boost Cooler Stage 3 TD 2D LCD Controller
- 2 x HyperSonic injection nozzles incl. 100µm fine filter
- 1 x 3l water-methanol reservoir tank
- 1 x Level indicator (tank sensor, LED for cockpit installation)
- 2 x 90° nozzle holders, hard-anodised aluminium
- 1 x Accessories & installation materials
- 1 x English installation manual
Frequently Asked Questions
Why do turbocharged and naturally aspirated engines achieve more power with the Water/Methanol Kit?
The main problem of any internal combustion engine is the thermal load. In nearly all engines, the power is restricted by the temperature in the combustion chamber. If a certain temperature is exceeded, uncontrolled combustion (knocking) occurs. Uncontrolled combustion results in a massive loss of power and engine damage. In a turbo engine, this problem is compounded even further. The intake of the turbo engine heats up strongly in the turbine (through compression and heat transfer of the exhaust gases) and the thermal limit is quickly reached. In conventional turbo engines, this problem is typically addressed with the help of intercoolers.
The performance of a turbocharged engine is therefore directly dependent on the efficiency of the intercooler, as well as the cooling rate of the intake and charge air. The efficiency of intercoolers, however, is constrained by the ambient temperature and the maximum size of physical space constraints. An increase in boost pressure no longer produces more power and the damage to the engine is virtually inevitable. This issue can be solved using the Boost Cooler water injection concept. You can ensure additional cooling of the heated intake air through the injection of a water/alcohol mixture. The great advantage of the Boost Cooler is that the cooling is virtually unlimited in physical terms. That is, if the intake air is too hot, simply increase the injection volume to achieve the required level of cooling. This unique advantage can help fully exploit the capacity of turbo engines and the engine power is not restricted by the thermal limits.
Where can I mount my reservoir and pump?
The pump needs to be within about 60cm (hose length) of the reservoir, and as low or lower than the base of the reservoir. It is a “pusher” pump, not a “puller” pump. In the engine bay, the reservoir and pump can be placed almost anywhere, as long as they are not very close to exhaust heat, or in the path of debris from the road. Be sure that the pump is mounted at the same level or below the reservoir and that the reservoir is not located higher than the nozzle. If the reservoir must be located higher than the nozzle, a solenoid upgrade is required to prevent gravity feed. Boot mounting is also fine, but the pump needs to be close to the reservoir and gravity fed. Lengths of 6-7m of tubing to the nozzle are fine.
Which mixing ratio and what kind of water are used?
Use distilled or demineralised water, you can also use clean tap water when nothing else is available. Use methanol or bio-ethanol or isopropanol, a 50/50 ratio is recommended. This has been demonstrated to be the best for charge/air cooling, excellent detonation control, and safety. Do not use E85 or any other fluid with petrol mixed in, it will destroy the fluid delivery part of your Boost Cooler and instantly void the warranty.
Snow Performance Part Number: SP10321
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