the fuel pumps in e85 cars are setup for spark arresting since e85 is a bit more combustible than regular gasoline.

 

I run about half and half in my 2001.  It will start on 80% but the mileage starts to drop off after around 50-60%.  Our 87oct gasoline here is already 15%, not sure how the rest of the country is.

On Mon, Feb 1, 2010 at 10:44 PM, <Jimcbride@aol.com> wrote:

Bruce,

 

I think E100 will be VERY difficult to start, particularly in cold climate. I've been running E85 in my EVO for the past year and a half. Even though Tucson is relatively warm - 40*F low so far - I still have to inject a bunch of extra fuel to get it to fire off. It is my understanding that ethanol is very hard to ignite; that is the primary reason for the 15% gasoline in E85.

 

E85 will require 30% more fuel by volume (E100 about 40% more). So, for E85 installing injectors that are 30% larger (with a fuel pump that will support the same pressure and the increased flow) should allow the engine to run pretty well on the gasoline tune. Then fine tune to 12:1 AFR (gasoline), or 12.5:1 if you are

brave.

 

Jim in Tucson

 

 

In a message dated 2/1/2010 3:32:03 P.M. US Mountain Standard Time, brucefandrews@comcast.net writes:

I have 2 questions.

1: What is needed to run E100 ethanol?

2: Does anyone make an aluminum block?

Thank you,

Bruce

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