All of you guys who are interested in water injection are on to a good thing. It really does work, and does the same thing for an engine that 100 octane gas used to do. Which is to slow the rate of combustion in the combustion chamber so that the fuel/air mixture doesn't detonate when the spark plug sets it off. I've never seen or heard of a Vanderpoel water injection before, but the way it looks, it probably works on vacuum. However, back in the mid and late 70's, both Holley and Edelbrock made aftermarket water injection setups which were electronic and were triggered by the coil and engine vacuum. I had one on a hot rod El Camino that I drove in those days, and it worked wonderfully. You can find both Holley and Edelbrock water injection kits on eBay, but neither of them are in current production. If you don't want to use a 30 year old kit, there is a company named Coolingmist that currently makes an electronic water injection for both turbocharged and normally aspirated engines, and their normally aspirated setup sells for about $300. All of these kits have an electric pump, tubing, and nozzle which sprays water mist into the airstream when it's needed to control detonation, and they work! If you want more info on Coolingmist, their website is
www.coolingmist.com
