I'm not certain about this but I think that what happens is that the
alchohol water mix evaporates, cooling the mixture, causing the volume to
shrink. once shruck there is room for more fuel, so now there is a bigger
fuel air charge, meaning more power when it burns.

John Rodgers
"88GL Driver

Terry Kay wrote:

> I'm not sure if this can be done just as it sounds,but I do know of some
> guys that inject a mixture of alcohol and water into the air intake tube
> of diesel engines (IH, Cummins, John Deere) and the performance boost is
> something to see!
> Terry
> 85 GL