[Healeys] Ethanol

Bob Spidell bspidell at comcast.net
Fri Jan 27 07:20:02 MST 2017


Ethanol has a much lower energy content than gasoline, hence the lower mileage with gasahol. See here: 

http://www.afdc.energy.gov/fuels/fuel_comparison_chart.pdf 

('alternate fuels,' not 'alternate facts') 

It does, however, have a higher octane rating allowing the huge compression ratios in dragsters and other racers; which is what produces the massive power in those engines. 

Bob 


----- Original Message -----

From: "Richard J. Hockert" <rjhco at att.net> 
To: "David Nock BCS" <healeydoc at sbcglobal.net>, "Simon Lachlan" <simon.lachlan at homecall.co.uk>, "Healey List" <healeys at autox.team.net> 
Sent: Thursday, January 26, 2017 1:36:42 PM 
Subject: Re: [Healeys] Ethanol 



The correct AFR for alcohol (ethanol) is around 8 to 1 versus gasoline at 14.7 to 1. Switching to 10% ethanol should equate to about a 5% richer mixture. Ethanol produces more power than gasoline – hence alcohol race engines but much more fuel required. Your mileage will suffer. 



Best regards, 

Jim 




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