I read a second-hand story about someone who made a vaporizing carburetor as designed by Charles Nelson Pogue (The
original "200 MPG carburetor) and installed it on his Ford Mustang. The car ran at a significantly reduced power level, and got 30 MPG.
I prefer to have full power available when I put the spurs to my "pony", but I wouldn't mind 30 MPG. Oh, wait, uh ....
If the gasoline hasn't completely vaporized by the time of ignition, The combustion temperature will most likely vaporize what un-vaporized gasoline is left in the mixture.