I always wondered what "get it heated up" was. Thought that you ran gas for the initial start up and warm up and then went to alcohol. So, you are just adding more air to the present alcohol mixture, running it lean? With my old Hilborn injector system of over 40 years ago, primed with race gas for the start up and let it run on alcohol. I ran a heater core for a radiator. This was in an altered.