AMG Water-Methanol Injection System (Weistec)WATER METHANOL INJECTION SYSTEM: Water Methanol injection has been in use for several decades in multiple applications. Originally, it was used to reduce knock while increasing power and performance in aircraft engines. Eventually it came to be used in the motorsports industry where it was found to have substantial benefits on turbocharged engines. The Weistec Water Methanol Injection System provides substantial cooling and knock prevention benefits