Fast n Furious wrote:Alcohol fuel runs with a very different Stoichiometric ratio to petrol.
Typically, the Air fuel ratio for petrol is about 14.7:1. For Alcohol, its about 6.4:1
So, adding alcohol to fuel will in theory richen's out the mixture with a lower A/F ratio. So, leaner jetting may be required.
Interesting figures
Goes against the commonly held beliefs and what I see on my egt.
Just did a quick Google
Etheynol peak flame temp 1900 degree c