[Healeys] Ethanol

Thu Jan 26 14:36:42 MST 2017

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

From: Healeys [mailto:healeys-bounces at autox.team.net] On Behalf Of David Nock BCS
Sent: Thursday, January 26, 2017 12:49 PM
To: Simon Lachlan; 'Healey List'
Subject: Re: [Healeys] Ethanol

The issues with the Ethanol will depend on the percentage of Ethanol they will be putting in. Here in California most of the Ethanol is 10%. However they are talking about raising that and if they do we will start having real problems.

The most common issues we run into are . Overheating and miss fires under heavy load due to lean mixtures. Especially worse on the Tri Carb.

This can usually be cured by installing the Rich needles.

The other issues are lack of power and lower gas mileage.

David Nock
British Car Specialists
209-948-8767
www.britishcarspecialists.com

From: Simon Lachlan <mailto:simon.lachlan at homecall.co.uk>  

Sent: Thursday, January 26, 2017 9:03 AM

To: 'Healey List' <mailto:healeys at autox.team.net>  

Subject: [Healeys] Ethanol

It seems that the UK is to be blessed with this stuff. I’ve been asked for my thoughts on the topic and, as I know nothing about it, I’m looking for advice.

See attached.

What are your experiences? And what are the “dos and don’ts”? 

Thanks,

Simon

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