i found the recipe on this site
http://csgbenefits.org/mgt/pit_tips.htm.
I like to keep my truck some what clean and at the very least just use it to spary down the engine. If i plan on keep it dirty of a couple of days. Like i am currently going to do.
BTW its a jato and i went to walmart just now and got the denatured alchol so i will try it.