My brothers buddy has a product called Liquid Horsepower Octane Booster. His buddy who created it worked for Chevron Oil as chemist. He started his own company 25 years ago called Manhattan Oil. Very good product. Go to manhattanoil.com.
Then you can check out rbracing-rsr.com. Go to products click water injection. Then scroll way down the page. There will be a Toluene formula. You may want to read more stuff on RB Racing. There water injection pump is killer. Definitely read the water injection part while you are there.They do turbo kits for street Harleys Top Fuel Harleys fuel injection water injection. lots of good reads on there. Don't let it fool you because it's a Harley performance site. It's all applicable to the internal combustion engine. These guys are extremely hi-tech and know their stuff. Big time Bonneville guys. Like my buddy told me who has dealt with them. These guys know how to hold stuff wide open for a long time and make it live.