[tcrist]

My ex father in law had a water injection on his van. It was a simple plate under the carb, a 3/16 id hose and a 1 gallon container. There was a valve that would regulate the water being brought in thru the carb plate. He said that it helped in the mixture and made his van run smoother and cleaner. Of course he had an old 67 Chev van with no smog. He said that it worked well for him.
Terry