Alta PWI-1 Water Injection System Mini Cooper S 02-07 description
Alta PWI-1 Water Injection System Mini Cooper S 02-07
The process of compressing air to create boost and power, has a nasty byproduct of heat. Heated air lacks the density to make higher horsepower, increases detonation and forces the ECU to pull timing. All of which reduce the power you are looking to create. In order to combat this heat, we manufacture air-to-air intercooler upgrades for nearly every vehicle we offer products for. But we are always restricted by the physical restraints of the vehicles size and by the fuel offered at the pump. Yet, high horsepower engines demand additional cooling and detonation control. This is where Water/methonol injection come into play.
The PWI-1 water/methanol injection system is designed to suppress detonation caused by high intake charge temperatures and or when the effective compression ratio has been taken beyond the auto ignition point (of fuel) by increased boost from a turbo or a supercharger. To suppress Detonation, a fine mist of a mixture of water and methanol is injected into the intake charge. Water, with its high latent heat content, and methanol, with its high octane rating, are extremely effective at controlling the onset of detonation. From this you can gain power from increasing timing, or leaning the engine out, or simply add a large margin of safety to your engine.
By adding an extremely fine mist of water you can effectively add an additional intercooler to your vehicle. This lowers charge temperatures, reduces any tendency for detonation, and thus greatly improves horsepower and torque. Most clients will see gains in excess of 20WHP once tuned for! All while increasing safety and longevity of the engine.
To use the PWI system to its fullest, retuning of engine needs to be done. Doing nothing other than adding the PWI system to a properly tuned car will generally loose a slight amount of power but gain a high margin of safety. Some ECU’s constantly pull timing due to poor gas or very hot climates. In this type of situation, the car will gain power do to the suppressed Detonation, and the ECU adding ignition timing back into the car.
Cars that can benefit from the PWI are cars with poorly mounted, or small intercoolers, like the WRX, Legacy GT turbo, Mini cooper S, Mazdaspeed 6, Audi/VW 1.8T cars, Mitsubishi Eclipse or cars with turbo kits or supercharger kits with no intercoolers. But this does not limit the PWI-1’s ability to increase HP on cars with aftermarket intercoolers, where pump gas is being pushed to its limit of detonation.
The Performance PWI-1 Water Injection System includes everything you need for a professional installation. Simply provide your own bucket of water! (Your MINI has several factory installed reservoirs.) With a dash mounted control and display you can activate or deactivate the system as well as monitor the water level, flow and perform tests of the entire kit. Additionally, the PWI-1 brain uses trim pots to adjust flow, and injection start. The brain incorporates several safety functions, which can detect when the nozzle is blocked, or water is low in tank. If this happens the PWI-1 brain can be set to cut boost, switch to a different map (ECU dependent), or turn on a light or any number of things you can come up with. These are features simply not found on other water injection systems. Easy to assemble and install. Includes hoses, mounting hardware, instructions, and tuning tips.
Includes:
- PWI-1 Pump Assembly
- PWI-1 Brain Box
- PWI-1 Dash Display
- Main Wire Harness
- Brain Box Wire Harness
- Ring Terminals
- Float Switch
- 4mm Hose
- 6mm Hose
- Pre-Pump Filter
-Nozzles 1.0mm, .8mm, and .6mm sizes
- 1/8NPT Nozzle Seat, and plug
- 1/8NPT Tank Bung
- 90 degree push-lock connector
NOTE: "Legal in California only for racing vehicles which may never be used upon a highway."
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For Charts and Tests CLICK HERE
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